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PC parts / SSDs

Biwin Black Opal NV7400
Interface
PCIe NVMe
Form factor
M.2 2280
Capacity
512 GB, 1 TB, 2 TB, 4 TB
Read speed
7,450MB/s

37 of 63 fields known.

At a glance

All specs

SourceCalculated

General

Announced
Not available
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Form factor
M.2 22801Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 2026
Capacity
512 GB, 1 TB, 2 TB, 4 TB1Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 2026

Interface

Interface
PCIe NVMe1Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 2026
PCIe generation
41Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 2026
Detachable cable
Not available

Hardware

Flash type
TLC1Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 2026Page reads high-quality 3D TLC NAND flash5Reviewtomshardware.com/pc-components/ssds/biwin-black-opal-nv7400-2tb-ssd-reviewRead 16 October 2026
DRAM cache size
Not available

Performance

Random 4K read (claimed)
1,000,000IOPS1Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 2026512GB 800K IOPS, 1TB 1,000K, 2TB 1,000K, 4TB 900K. Queue depth is not stated
Random 4K write (claimed)
900,000IOPS1Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 2026512GB 800K IOPS, 1TB 900K, 2TB 900K, 4TB 900K

Endurance and reliability

MTBF or MTTF (claimed)
1,500,000h1Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 2026Published as MTBF, 1,500,000 hours, from internal Telcordia stress testing

Power

Power while reading (claimed)
Not available
Power while writing (claimed)
Not available
Average power in light use (claimed)
Not available
Idle power (claimed)
Not available
Sleep power (claimed)
Not available

Measured

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 speed after the cache (measured)
2,600MB/s6Reviewtomshardware.com/pc-components/ssds/biwin-black-opal-nv7400-2tb-ssd-review/2Read 16 October 20262TB sample. Review text: after the cache the drive writes to TLC at around 2.6 GB/s, stored as 2600. The chart shows the line settle near 2,600 MB/s. The folding state below 900 MB/s and the 15 minute average of 1,344 MB/s are not stored
3DMark Storage Benchmark
Not available
Highest temperature under load (measured)
Not available
Idle power (measured)
714mW6Reviewtomshardware.com/pc-components/ssds/biwin-black-opal-nv7400-2tb-ssd-review/2Read 16 October 20262TB sample, read from chart. Quarch PPM idle power with ASPM and LPM disabled, 714 mW

Cooling and build

RGB lighting
Not available
Dust and water rating
Not available
Drop test height
Not available

Security and software

Security
Not available

Compatibility

Platforms
PC (no OS named), PS51Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 2026Text reads broadly compatible with desktops, ultrabooks and gaming laptops, and says the drive can expand and upgrade PS5 storage. No operating system is named, so PC is stored. The maker lists the bare drive with a 0.5 mm graphene thermal pad (no heatsink) for the PS5

Dimensions and weight

Front and side, drawn to scale.

Dimensions
Length80Width22Height2.45mm(3.1 × 0.9 × 0.1 in)1Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 202680.00 x 22.00 x 2.45 mm (single-sided), the same for all capacities
Weight
9g(0.3 oz)1Maker product pagebiwintech.com/product/nv7400-ssdRead 16 October 20262Maker spec sheet (PDF)biwintech.com/wp-content/uploads/2025/06/Black-Opal-NV7400-Specifications-1.pdfRead 16 October 2026Published as 9 g or less, so 9 is the stored maximum

In the box

Cables included
Not available

Warranty

Compare with

Pick a SSD to see both side by side. Differences are marked yellow.

More SSD comparisons

Variants

Each variant lists only what differs from the specs above.

Model numberGTINCapacitySequential read (claimed)Sequential write (claimed)Random 4K read (claimed)Random 4K write (claimed)Endurance (TBW)Sequential read (measured)Sequential write (measured)Random 4K read at queue depth 1 (measured)Random 4K write at queue depth 1 (measured)Write cache size (measured)Write speed after the cache (measured)Idle power (measured)Heatsink
BNV7400512G-RGX887184019000512 GB7,050 MB/s4,200 MB/s800,000 IOPS800,000 IOPS500 TBNot availableNot availableNot availableNot availableNot availableNot availableNot availableWithout heatsink
BNV740001TB-RGX8871840190171 TB7,400 MB/s6,500 MB/s1,000,000 IOPS900,000 IOPS1,000 TBNot availableNot availableNot availableNot availableNot availableNot availableNot availableWithout heatsink
BNV740002TB-RGX8871840190242 TB7,450 MB/s6,500 MB/s1,000,000 IOPS900,000 IOPS2,000 TBNot availableNot availableNot availableNot available339 GB2,600 MB/s714 mWWithout heatsink
Not available8871840190314 TB7,400 MB/s6,500 MB/s900,000 IOPS900,000 IOPS4,000 TB7,126 MB/s6,394 MB/s94.72 MB/s373.6 MB/sNot availableNot availableNot availableWithout heatsink

Sources

We read 13 sources for this SSD. The numbers match the markers in the sheet.

  1. Read 16 October 2026Backs 26 fields
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  12. Read 16 October 2026Backs 2 fields
  13. Read 16 October 2026Backs 2 fields

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