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Patriot Signature Line DDR5

PatriotRAM kit

Signature Line DDR5

Released November 2021.21Press articleguru3d.com/story/patriot-announces-signature-ddr5-memory-seriesRead 15 October 2026The announcement says the memory will be available in major retailers worldwide in November 2021. ThePCEnthusiast covered it on 2021-11-10. Last checked 15 October 2026.

Memory type
DDR5
Speed
4,800, 5,200, 5,600MT/s
Capacity
8, 16, 32, 64GB
CL
40, 42, 46

30 of 40 fields known.

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At a glance

All specs

SourceCalculated

General

Series
Signature Line1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Model numbers
PSD58G480041, PSD58G520041, PSD58G520082, PSD58G560041, PSD58G560081, PSD58G560082, PSD516G480081, PSD516G48002, PSD516G520081, PSD516G56002, PSD516G560081, PSD516G5600K, PSD532G48002, PSD532G4800K, PSD532G52002, PSD532G56002, PSD532G5600K, PSD564G5602, PSD564G5600K1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026The page lists SO-DIMM and UDIMM parts. Only the 18 UDIMM parts with a sku sheet are stored here, plus PSD516G480081. The SO-DIMM parts end in S and are a different module type, so they are not stored. The page data holds PSD516G480081 as a UDIMM 16GB (1x16GB) 4800MT/s 40-40-40-77 1.1V part but the visible table omits it. Retailers list it, see below.24Retailer pagepccomponentes.com/memoria-ram-patriot-signature-line-psd516g480081-16gb-1x16gb-ddr5-4800mhz-cl40-udimm-negroRead 15 October 2026Retailer listing of PSD516G480081: 16GB single module, DDR5-4800 CL40, 1.1 V, 288-pin UDIMM, on-die ECC. It confirms the part is sold.
GTIN / EAN
0814914029176, 4711378422290, 4711378429275, 4711378422160, 4711378427752, 4711378427950, 0814914029206, 4711378422306, 4711378428230, 4711378422184, 4711378422177, 0814914029213, 0814914029121, 0814914029220, 4711378425017, 4711378422191, 4711378431353, 47113784250242Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PSD_516_G560081_sku_sheet_aa4e2becd2.pdfRead 15 October 2026The barcode number printed on each UDIMM sheet. PSD516G480081 has no sheet and no GTIN is stored for it.
Announced
1 November 202121Press articleguru3d.com/story/patriot-announces-signature-ddr5-memory-seriesRead 15 October 2026Guru3D story dated 2021-11-01 on Patriot's announcement of the Signature Line DDR5 series.
Status
Available1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Not available
Memory type
DDR51Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Module type
UDIMM1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026

Kit

Kit capacity
8, 16, 32, 64GB1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Modules per kit
1, 21Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Capacity per module
8, 16, 32, 64GB1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026

Speed and timings

Rated speed
4,800, 5,200, 5,600MT/s1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026The sheets and the page state one frequency per part. The kit has no profile, so it is also the JEDEC speed.
CAS latency (CL)
40, 42, 461Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Timings
40-40-40-77, 42-42-42-84, 46-46-46-90, 46-45-45-902Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PSD_516_G560081_sku_sheet_aa4e2becd2.pdfRead 15 October 2026Timings are the default settings and are written 46-46-46-90 on this sheet. The 64GB single module sheet states 46-45-45-90. Other speeds are on their own sheets.
Voltage
1.1V1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Overclocking profiles
None (no XMP or EXPO)1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026No XMP or EXPO. The sheets and the page state only the default speed, timings and voltage. A Signature Line module runs at its default settings only.
Default speed (JEDEC)
4,800, 5,200, 5,600MT/s1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Default CAS latency (JEDEC)
40, 42, 461Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026
Default voltage (JEDEC)
1.1V1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026

Modules

Rank
Single rank, Dual rank1Maker product pagepatriotmemory.com/products/signature-line-ddr5Read 15 October 2026Patriot publishes no rank. The sheets say Single-sided or Double-sided module and the page data gives a chip organisation per part (2Gx8 for 16GB and 32GB, 1Gx8 Half for the dual-sided 16GB, 1Gx16 or 1Gx8 Half for single-sided 8GB, 512x16 Half for dual-sided 8GB). Chip count times chip width gives one 64-bit rank for the single-sided parts and two ranks for the double-sided parts. Left out for the kits, which state no sides, and for the 64GB module, whose listed 2Gx8 organisation would need 32 chips.23Reviewigorslab.de/en/affordable-ddr5-lottery-with-potent-peak-performance-patriot-signature-line-ddr5-4800-modules-in-overclocking-tesRead 15 October 2026PSD516G480081: eight x8 ICs on one side, one 64-bit rank. The review calls the dual-sided 16GB part PSD516G48002.
DRAM chips
SK hynix 16Gb M-die23Reviewigorslab.de/en/affordable-ddr5-lottery-with-potent-peak-performance-patriot-signature-line-ddr5-4800-modules-in-overclocking-tesRead 15 October 2026Page 1: the tested PSD516G480081 modules carry SK hynix 16 Gbit M-die. Page 2: SPD DRAM manufacturer ID 80AD (SK hynix), eight x8 ICs, four per 32-bit subchannel. igor'sLAB states the same part number is reportedly also sold with Micron Rev. A chips, so the chips can differ by batch.
ECC
No2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PSD_516_G560081_sku_sheet_aa4e2becd2.pdfRead 15 October 2026Technology: DDR5 Non-ECC Unbuffered. On-die ECC only. Every UDIMM sheet states it.
Heat spreader
No22Press articlethepcenthusiast.com/patriot-signature-ddr5-memory-series-revealedRead 15 October 2026The article states the module does not come with any heatsink. The igor'sLAB review also states a black PCB and no heat sink.
Module height
32mm2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PSD_516_G560081_sku_sheet_aa4e2becd2.pdfRead 15 October 2026Sheet lists the module as 0.2 cm (L) x 13.3 cm (W) x 3.2 cm (H), also 0.07 x 5.24 x 1.26 in. The middle value by size is 3.2 cm, which is the standing height. 0.2 cm is the thickness and 13.3 cm the length. Every UDIMM sheet states the same size.

Lighting and software

RGB lighting
No22Press articlethepcenthusiast.com/patriot-signature-ddr5-memory-series-revealedRead 15 October 2026The sheets list no lighting and the modules are bare circuit boards with no heat spreader or light bar. The article mentions no RGB.
Lighting sync
Not available
Software
Not available

Measured

AIDA64 memory test (measured)
Part numberCPUSpeed (MT/s)TimingsWrite (MB/s)Copy (MB/s)Latency (ns)
PSD516G480081Intel Core i9-12900K4,80040-40-40-7768,99268,74781.8
PSD516G480081Intel Core i9-12900K6,00034-37-38-2894,82093,97053.4
PSD516G480081Intel Core i9-12900K6,80034-40-40-28107,162106,45449.7
PSD516G480081Intel Core i9-12900K6,80032-39-40-28107,459107,59248.6
Source23Reviewigorslab.de/en/affordable-ddr5-lottery-with-potent-peak-performance-patriot-signature-line-ddr5-4800-modules-in-overclocking-tesRead 15 October 2026Test system: Intel Core i9-12900K at 5.1 GHz P-cores, E-cores off, cache 4.9 GHz, AVX-512 off, Asus ROG Maximus Z690 Apex, BIOS 0070, 2 x 16 GB PSD516G480081 in dual channel, AIDA64 Cache and Memory Benchmark v6.70.6000. Rows are the review's Write, Copy and Latency charts. The Read chart on page 4 is a repeat of the SuperPi chart on the site, so no read value is stored. The text says read passed 112000 MB/s at the best setting. Settings: 4800 JEDEC 40-40-40-77. 6000 34-37-38-28 at 1.2 V, no cooling. 6800 34-40-40-28 at 1.435 V with a 120 mm fan on the modules. 6800 32-39-40-28 at 1.5 V with the PMIC lock bypassed. Manual subtimings on the overclocked rows. Command rate 2T, Gear 2.
Overclock reached (measured)
Part numberCPUSpeed (MT/s)TimingsVoltage (V)
PSD516G480081Intel Core i9-12900K6,80032-39-40-281.5
PSD516G480081Intel Core i9-12900K6,80034-40-40-281.435
PSD516G480081Intel Core i9-12900K6,00034-37-38-281.2
Source23Reviewigorslab.de/en/affordable-ddr5-lottery-with-potent-peak-performance-patriot-signature-line-ddr5-4800-modules-in-overclocking-tesRead 15 October 2026Same test system. Stability by TestMem5 Extreme1 at the 6800 32-39-40-28 setting, 1 h 37 min 13 s, no errors, with active cooling and 1.5 V on VDD and VDDQ. The Renesas P8911Y PMIC is locked to 1.435 V on boards that cannot bypass it, which gives the 6800 34-40-40-28 row. The 6000 34-37-38-28 row is the passively cooled daily setting at 1.2 V, reaching 69 C in the stress test. Timings are tCL-tRCD-tRP-tRAS as shown by AIDA64.

Warranty

Manufacturer warranty (source market)
Not available
Lifetime warranty
Yes2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PSD_516_G560081_sku_sheet_aa4e2becd2.pdfRead 15 October 2026Limited Lifetime Warranty on every sheet.

Compare with

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

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Variants

Each variant lists only what differs from the specs above.

Model numberGTINKit capacityModules per kitCapacity per moduleRated speedCAS latency (CL)TimingsVoltageOverclocking profilesDefault speed (JEDEC)Default CAS latency (JEDEC)Default voltage (JEDEC)RankDRAM chips
PSD58G48004108149140291768 GB18 GB4,800 MT/s4040-40-40-771.1 VNone (no XMP or EXPO)4,800 MT/s401.1 VSingle rankNot available
PSD58G52004147113784222908 GB18 GB5,200 MT/s4242-42-42-841.1 VNone (no XMP or EXPO)5,200 MT/s421.1 VSingle rankNot available
PSD58G52008247113784292758 GB18 GB5,200 MT/s4242-42-42-841.1 VNone (no XMP or EXPO)5,200 MT/s421.1 VDual rankNot available
PSD58G56004147113784221608 GB18 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VSingle rankNot available
PSD58G56008147113784277528 GB18 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VSingle rankNot available
PSD58G56008247113784279508 GB18 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VDual rankNot available
PSD516G480081Not available16 GB116 GB4,800 MT/s4040-40-40-771.1 VNone (no XMP or EXPO)4,800 MT/s401.1 VSingle rankSK hynix 16Gb M-die
PSD516G48002081491402920616 GB116 GB4,800 MT/s4040-40-40-771.1 VNone (no XMP or EXPO)4,800 MT/s401.1 VDual rankNot available
PSD516G520081471137842230616 GB116 GB5,200 MT/s4242-42-42-841.1 VNone (no XMP or EXPO)5,200 MT/s421.1 VSingle rankNot available
PSD516G56002471137842823016 GB116 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VDual rankNot available
PSD516G560081471137842218416 GB116 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VSingle rankNot available
PSD516G5600K471137842217716 GB28 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VNot availableNot available
PSD532G48002081491402921332 GB132 GB4,800 MT/s4040-40-40-771.1 VNone (no XMP or EXPO)4,800 MT/s401.1 VDual rankNot available
PSD532G4800K081491402912132 GB216 GB4,800 MT/s4040-40-40-771.1 VNone (no XMP or EXPO)4,800 MT/s401.1 VNot availableNot available
PSD532G52002081491402922032 GB132 GB5,200 MT/s4242-42-42-841.1 VNone (no XMP or EXPO)5,200 MT/s421.1 VDual rankNot available
PSD532G56002471137842501732 GB132 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VDual rankNot available
PSD532G5600K471137842219132 GB216 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VNot availableNot available
PSD564G5602471137843135364 GB164 GB5,600 MT/s4646-45-45-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VNot availableNot available
PSD564G5600K471137842502464 GB232 GB5,600 MT/s4646-46-46-901.1 VNone (no XMP or EXPO)5,600 MT/s461.1 VNot availableNot available

Sources

We read 24 sources for this RAM kit. The numbers match the markers in the sheet.

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