PC parts / SSDs
SamsungSSD
870 EVO
Released January 2021.9Press releasenews.samsung.com/us/storage-memory-sata-ssd-870-evoRead 15 October 2026Samsung says the 870 EVO will be available beginning in January 2021 Last checked 15 October 2026.
- Interface
- SATA
- Form factor
- 2.5-inch
- Capacity
- 250 GB, 500 GB, 1 TB, 2 TB, 4 TB, 8 TB
- Read speed
- 560MB/s
37 of 63 fields known.
At a glance
Power while reading (claimed)
2.2W1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Active (Avg.) Read/Write: 2.0W/2.2W (250GB and 500GB), 2.0W/2.5W (1TB), 2.2W/2.5W (2TB and 4TB). Footnote 4: measured with IOmeter 1.1.0 on an Intel Core i7-7700K at 4.2GHz, Samsung DDR4 16GB, a Gigabyte GA-Z270X board and Windows 10 Pro7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Average Power Consumption (system level): Read 2.2 W and Write 2.6 W. Samsung's 8TB page gives no test conditions
Lower than 95% of other SSDs. Lower is better.
Power while writing (claimed)
2.5W1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Active (Avg.) write figure from the same row7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Average write figure of 2.6 W from the same row
Lower than 95% of other SSDs. Lower is better.
General
- Series
- Not available
- Model numbers
- MZ-77E250BW, MZ-77E250B/AM, MZ-77E250B/EU, MZ-77E250B/CN, MZ-77E250B/KR, MZ-77E500BW, MZ-77E500B/AM, MZ-77E500B/EU, MZ-77E500B/CN, MZ-77E500B/KR, MZ-77E1T0BW, MZ-77E1T0B/AM, MZ-77E1T0B/EU, MZ-77E1T0B/CN, MZ-77E2T0BW, MZ-77E2T0B/AM, MZ-77E2T0B/EU, MZ-77E2T0B/CN, MZ-77E4T0BW, MZ-77E4T0B/AM, MZ-77E4T0B/EU, MZ-77E4T0B/CN, MZ-77E8T0B/AM, MZ-77E8T0B/EU1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Product lineup table lists the model codes with the suffixes BW, B/AM, B/EU and B/CN for every capacity, and B/KR for 250GB and 500GB. The 8TB codes come from the Samsung pages below7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026The page URL and title give MZ-77E8T0B/EU. The Samsung US page gives MZ-77E8T0B/AM. No BW code was found for 8TB8Maker product pagesamsung.com/us/memory-storage/sata-ssd/870-evo-sata-2-5-ssd-1tb-sku-mz-77e1t0b-amRead 15 October 2026The page lists MZ-77E1T0 / MZ-77E1T0B/AM for 1TB and the 8TB SKU as MZ-77E8T0B/AM
- GTIN / EAN
- 8806090545931, 8806090545924, 8806090545917, 8806090545900, 880609054589416Retailer pagecompuram.biz/ssd/client/sata/samsung-870-evo-ssd/mz-77e1t0b-eu-m10e95.htmRead 15 October 2026GTIN row reads 8806090545917 for MZ-77E1T0B/EU. The 2TB page (mz-77e2t0b-eu-m10e96) reads 8806090545900 and the 4TB page (mz-77e4t0b-eu-m10e98) reads 880609054589417Retailer pageindustry-electronics.de/samsung/mz-77e250b-eu-ssd-sata-2-5-250gb-870-evo-series-druckansicht-539215.htmRead 15 October 2026EAN-Code 8806090545931 for MZ-77E250B/EU18Retailer pageindustry-electronics.de/samsung/mz-77e500b-eu-ssd-500gb-2-5-6.3cm-sataiii-870-evo-retail-druckansicht-539209.htmRead 15 October 2026EAN-Code 8806090545924 for MZ-77E500B/EU
- Announced
- 19 January 20219Press releasenews.samsung.com/us/storage-memory-sata-ssd-870-evoRead 15 October 2026Samsung Electronics America announced the 870 EVO on 2021-01-19 (post date in the Samsung US newsroom)
- Predecessor
- Not available
- Successor
- Not available
- Launch price (EU)
- €269.910Press releasenews.samsung.com/de/samsung-veroeffentlicht-ssd-870-evoRead 15 October 2026German press release: recommended retail prices as of January 2021 including 19 percent VAT. 250GB 39.90 EUR, 500GB 69.90 EUR, 1TB 139.90 EUR, 2TB 269.90 EUR and 4TB 549.90 EUR. The release says the 870 EVO is available from January 202111Press articlepcgameshardware.de/SSD-Hardware-255552/News/Samsung-870-Evo-SATA-8-TB-Preis-Release-1523415Read 15 October 2026PC Games Hardware update of 2026-04-09 says Samsung officially announced the 870 EVO 8TB on 2026-04-08 with a recommended retail price of 2,640.99 EUR in Germany. The article does not say whether VAT is included, and the street price was about 1,400 EUR. The figure is stored as reported
- Markets
- Not available
- Form factor
- 2.5-inch1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Form Factor row reads 2.5 inch
- Capacity
- 250 GB, 500 GB, 1 TB, 2 TB, 4 TB, 8 TB1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Capacity row lists 250GB, 500GB, 1TB, 2TB and 4TB. Footnote 1 says 1GB equals 1,000,000,000 bytes7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Capacity row reads 8 TB (1 GB = 1 Billion byte by IDEMA). Samsung says the 870 EVO is available in capacities up to 8TB8Maker product pagesamsung.com/us/memory-storage/sata-ssd/870-evo-sata-2-5-ssd-1tb-sku-mz-77e1t0b-amRead 15 October 2026Highlights: Storage capacities from 250GB to 8TB11Press articlepcgameshardware.de/SSD-Hardware-255552/News/Samsung-870-Evo-SATA-8-TB-Preis-Release-1523415Read 15 October 2026The 8TB model was first spotted in a Geizhals listing in March 2026, then announced by Samsung on 2026-04-08
Interface
- PCIe generation
- Not available
- PCIe lanes
- Not available
- NVMe version
- Not available
- Detachable cable
- Not available
Hardware
- Controller
- Samsung MKX1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Controller row reads Samsung MKX Controller for all capacities2Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e1t0b-euRead 15 October 2026Controller row reads Samsung MKX Controller12Reviewtomshardware.com/reviews/samsung-870-evo-sata-ssd-review-the-best-just-got-betterRead 15 October 2026Review: the MKX Metis SATA 6Gbps controller with eight NAND channels, the same one as in the 870 QVO. The specs table agrees with the maker's MKX name
- Flash memory
- Samsung V-NAND V6 TLC12Reviewtomshardware.com/reviews/samsung-870-evo-sata-ssd-review-the-best-just-got-betterRead 15 October 2026Review: Samsung's 6th-gen 512Gb 128-layer V-NAND TLC. The specs table lists Samsung 128L TLC for all capacities13Reviewkitguru.net/components/ssd-drives/simon-crisp/samsung-ssd-870-evo-1tb-review/all/1Read 15 October 2026KitGuru calls it Samsung 6th generation 1xx layer V-NAND 3-bit MLC (TLC) with the MKX controller and LPDDR4 cache
- Flash layers
- 12812Reviewtomshardware.com/reviews/samsung-870-evo-sata-ssd-review-the-best-just-got-betterRead 15 October 2026Review and specs table both say 128-layer. KitGuru quotes Samsung's description of a 136-layer mold stack for the same flash, so 128 is the layer count of memory cells as Tom's states it13Reviewkitguru.net/components/ssd-drives/simon-crisp/samsung-ssd-870-evo-1tb-review/all/1Read 15 October 2026KitGuru says Samsung did not state a layer count and quotes a 136-layer mold stack. Tom's Hardware gives 128 layers, which is stored
- DRAM cache
- DRAM1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026DRAM Cache Memory row lists LPDDR4 for every capacity12Reviewtomshardware.com/reviews/samsung-870-evo-sata-ssd-review-the-best-just-got-betterRead 15 October 2026Review opened a 1TB and a 4TB sample and found Samsung LPDDR4 next to the controller, 1GB on the 1TB and 4GB on the 4TB
- DRAM cache size
- 2GB1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026DRAM Cache Memory row: 512MB LPDDR4 (250GB and 500GB), 1GB (1TB), 2GB (2TB), 4GB (4TB). The 8GB figure for 8TB is on the Samsung UK 8TB page2Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e1t0b-euRead 15 October 2026Cache Memory row reads Samsung 1 GB Low Power DDR4 SDRAM7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Cache Memory row reads 8GB LPDDR4. The Storage Memory row reads Samsung V-NAND TLC and the Controller row reads Samsung in-house Controller, without the MKX name
- Component sides
- Not available
Performance
- Random 4K read (claimed)
- 98,000IOPS1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 20264KB Random Read (QD32) up to 98,000 IOPS. The QD1 figure is 13,000 IOPS. Footnote 2: random figures use IOmeter 1.1.0 on the same test system
Endurance and reliability
- Endurance (TBW)
- 1,200TB1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026TBW row: 150, 300, 600, 1,200 and 2,400 TB for 250GB to 4TB. Footnote 5: tested to the JESD218 standard. Footnote 8: the warranty ends at 5 years or the TBW, whichever comes first7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Warranty row: 5 Years Limited Warranty or 4,800 TBW. The footnote lists 150 to 4,800 TBW for 250GB to 8TB
Power
- Power while reading (claimed)
- 2.2W1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Active (Avg.) Read/Write: 2.0W/2.2W (250GB and 500GB), 2.0W/2.5W (1TB), 2.2W/2.5W (2TB and 4TB). Footnote 4: measured with IOmeter 1.1.0 on an Intel Core i7-7700K at 4.2GHz, Samsung DDR4 16GB, a Gigabyte GA-Z270X board and Windows 10 Pro7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Average Power Consumption (system level): Read 2.2 W and Write 2.6 W. Samsung's 8TB page gives no test conditions
- Power while writing (claimed)
- 2.5W1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Active (Avg.) write figure from the same row7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Average write figure of 2.6 W from the same row
- Max power consumption (claimed)
- 4.5W2Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e1t0b-euRead 15 October 2026Average Power Consumption (system level) row: Average 2.5 W, Maximum 4.0 W (burst mode) for 1TB. Samsung gives no read and write split for the maximum, so the maximum is stored in the max field3Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e250b-euRead 15 October 2026Average 2.2 W, Maximum 3.5 W (burst mode) for 250GB4Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e500b-euRead 15 October 2026Average 2.2 W, Maximum 3.5 W (burst mode) for 500GB5Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e2t0b-euRead 15 October 2026Average 2.5 W, Maximum 4.5 W (burst mode) for 2TB. This is the base value6Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e4t0b-euRead 15 October 2026Average 2.5 W, Maximum 5.0 W (burst mode) for 4TB
- Average power in light use (claimed)
- Not available
- Idle power (claimed)
- 35mW1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Idle with DIPM on: 30 mW (250GB, 500GB and 1TB) and 35 mW (2TB and 4TB). DIPM is the SATA link power management that allows the Slumber state, so it is stored as low-power idle7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Power consumption (Idle): Max. 40 mW. The page does not name DIPM. The 250GB to 1TB pages give Max. 30 mW and the data sheet gives 30 mW with DIPM on, so the same kind of figure is assumed
Measured
We could not find any of these 9 fields. Show them
- Sequential read (measured)
- Not available
- Sequential write (measured)
- Not available
- Random 4K read at queue depth 1 (measured)
- Not available
- Random 4K write at queue depth 1 (measured)
- Not available
- Write cache size (measured)
- Not available
- Write speed after the cache (measured)
- Not available
- 3DMark Storage Benchmark
- Not available
- Highest temperature under load (measured)
- Not available
- Idle power (measured)
- Not available
Cooling and build
We could not find any of these 4 fields. Show them
- Heatsink
- Not available
- RGB lighting
- Not available
- Dust and water rating
- Not available
- Drop test height
- Not available
Security and software
- Security
- AES 256-bit hardware encryption, TCG Opal 2.0, IEEE 1667 (eDrive)1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Data Security row: AES 256-bit Full Disk Encryption, TCG/Opal V2.0 and Encrypted Drive (IEEE1667)
- Software
- Samsung Magician2Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e1t0b-euRead 15 October 2026Management SW row: Magician Software for SSD management and Data Migration Software for SSD upgrade9Press releasenews.samsung.com/us/storage-memory-sata-ssd-870-evoRead 15 October 2026The spec table lists Samsung Magician as management software
Compatibility
Dimensions and weight
Front and side, drawn to scale.
- Dimensions
- Length100Width69.85Height6.8mm(3.9 × 2.8 × 0.3 in)1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Dimensions row reads 100 x 69.85 x 6.8 (mm). The row does not name the axes, so 100 is the length, 69.85 the width and 6.8 the thickness
- Weight
- 46g(1.6 oz)2Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e1t0b-euRead 15 October 2026Full specifications, Weight row: Approx. 45.0g for the 1TB model3Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e250b-euRead 15 October 2026Weight row: Approx. 45.0g for the 250GB model4Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e500b-euRead 15 October 2026Weight row: Approx. 45.0g for the 500GB model5Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e2t0b-euRead 15 October 2026Weight row: Approx. 46.0g for the 2TB model. This is the base value6Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-sata-3-2-5-ssd-mz-77e4t0b-euRead 15 October 2026Weight row: Approx. 48.0g for the 4TB model7Maker product pagesamsung.com/uk/business/memory-storage/sata-ssd/870-evo-8tb-sata-3-2-5-ssd-mz-77e8t0b-euRead 15 October 2026Weight row: Approx. 48.0g
In the box
- In the box
- Samsung SSD 870 EVO 250GB, Samsung SSD 870 EVO 500GB, Samsung SSD 870 EVO 1TB, Samsung SSD 870 EVO 2TB, Samsung SSD 870 EVO 4TB, Warranty Statement1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Product lineup table, Box Contents column: the drive of that capacity and a Warranty Statement. The base lists every box, and each row lists its own
- Cables included
- Not available
Links
- Product page
- www.samsung.com/us/memory-storage/sata-ssd/870-evo-sata-2-5-ssd-1tb-sku-mz-77e1t0b-am8Maker product pagesamsung.com/us/memory-storage/sata-ssd/870-evo-sata-2-5-ssd-1tb-sku-mz-77e1t0b-amRead 15 October 2026Samsung US product page of the 1TB model. It lists 250GB, 500GB, 1TB, 2TB, 4TB and 8TB
- Spec sheet
- download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdf1Maker spec sheet (PDF)download.semiconductor.samsung.com/resources/data-sheet/Samsung_SSD_870_EVO_Data_Sheet_Rev1.1.pdfRead 15 October 2026Samsung V-NAND SSD 870 EVO 2021 Data Sheet, Revision 1.1, PDF created 2021-01-06. Revision history: 1.0 initial release in November 2020, 1.1 in January 2021. A later copy named Rev1.1_230509 has the same text. It covers 250GB to 4TB and not the 8TB model
- Manual
- Not available
- EPREL registration number
- Not available
Warranty
Compare with
Pick a SSD to see both side by side. Differences are marked yellow.
Variants
Each variant lists only what differs from the specs above.
| Model number | GTIN | Model numbers | Launch price (US) | Launch price (EU) | Capacity | DRAM cache size | Endurance (TBW) | Power while reading (claimed) | Power while writing (claimed) | Max power consumption (claimed) | Idle power (claimed) | Sleep power (claimed) | Sequential read (measured) | Sequential write (measured) | Random 4K read at queue depth 1 (measured) | Random 4K write at queue depth 1 (measured) | Idle power (measured) | Weight | In the box |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MZ-77E250B/EU | 8806090545931 | MZ-77E250BW, MZ-77E250B/AM, MZ-77E250B/EU, MZ-77E250B/CN, MZ-77E250B/KR | $39.99 | €39.9 | 250 GB | 500 MB | 150 TB | 2 W | 2.2 W | 3.5 W | 30 mW | 2.5 mW | Not available | Not available | Not available | Not available | Not available | 45 g | Samsung SSD 870 EVO 250GB, Warranty Statement |
| MZ-77E500B/EU | 8806090545924 | MZ-77E500BW, MZ-77E500B/AM, MZ-77E500B/EU, MZ-77E500B/CN, MZ-77E500B/KR | $69.99 | €69.9 | 500 GB | 500 MB | 300 TB | 2 W | 2.2 W | 3.5 W | 30 mW | 2.5 mW | Not available | Not available | Not available | Not available | Not available | 45 g | Samsung SSD 870 EVO 500GB, Warranty Statement |
| MZ-77E1T0B/EU | 8806090545917 | MZ-77E1T0BW, MZ-77E1T0B/AM, MZ-77E1T0B/EU, MZ-77E1T0B/CN | $129.99 | €139.9 | 1 TB | 1 GB | 600 TB | 2 W | 2.5 W | 4 W | 30 mW | 3 mW | 563 MB/s | 533 MB/s | 51.99 MB/s | 131.01 MB/s | 220 mW | 45 g | Samsung SSD 870 EVO 1TB, Warranty Statement |
| MZ-77E2T0B/EU | 8806090545900 | MZ-77E2T0BW, MZ-77E2T0B/AM, MZ-77E2T0B/EU, MZ-77E2T0B/CN | $249.99 | €269.9 | 2 TB | 2 GB | 1,200 TB | 2.2 W | 2.5 W | 4.5 W | 35 mW | 4.5 mW | Not available | Not available | Not available | Not available | Not available | 46 g | Samsung SSD 870 EVO 2TB, Warranty Statement |
| MZ-77E4T0B/EU | 8806090545894 | MZ-77E4T0BW, MZ-77E4T0B/AM, MZ-77E4T0B/EU, MZ-77E4T0B/CN | $479.99 | €549.9 | 4 TB | 4 GB | 2,400 TB | 2.2 W | 2.5 W | 5 W | 35 mW | 6.5 mW | Not available | Not available | Not available | Not available | Not available | 48 g | Samsung SSD 870 EVO 4TB, Warranty Statement |
| MZ-77E8T0B/EU | Not available | MZ-77E8T0B/AM, MZ-77E8T0B/EU | Not available | €2,640.99 | 8 TB | 8 GB | 4,800 TB | 2.2 W | 2.6 W | Not available | 40 mW | Not available | Not available | Not available | Not available | Not available | Not available | 48 g | Not available |
Sources
We read 18 sources for this SSD. The numbers match the markers in the sheet.
- Press releasenews.samsung.com/us/storage-memory-sata-ssd-870-evo
See a wrong value? Tell us and name the field.