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Patriot Viper Steel DDR4

PatriotRAM kit

Viper Steel DDR4

Released November 2018.22Press releasehexus.net/qad2a3Read 15 October 2026The same Patriot press release on HEXUS, dated November 30th, 2018, with the headline Dual Kits at frequencies from 3000 MHz up to 4400MHz and DDR4 Single Module available now. The 3400 and 3600 kits and the 64 GB kits came later, so the month covers the line and not each part number. Last checked 15 October 2026.

Memory type
DDR4
Speed
3,000, 3,200, 3,400, 3,600MT/s
Capacity
8, 16, 32, 64GB
CL
16, 17, 18

28 of 40 fields known.

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All specs

SourceCalculated

General

Series
Viper Steel1Maker product pagepatriotmemory.com/products/viper-steel-ddr4-performance-memory-ram-viper-gaming-by-patriot-memoryRead 15 October 2026Breadcrumb Memory, Viper Steel DDR4. The Viper Steel SODIMM sheets (PVS...C5S and C8S) are laptop modules and are not stored here. Viper Steel RGB and Viper Steel 5 are separate lines.2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026
Model numbers
PVS416G320C6K, PVS432G320C6K, PVS416G360C8K, PVS432G360C8K, PVS416G300C6K, PVS464G320C6K, PVS416G300C6, PVS416G320C6, PVS416G340C6K, PVS416G360C7K, PVS416G360C8, PVS432G300C6, PVS432G300C6K, PVS432G320C6, PVS432G360C8, PVS464G300C6K, PVS464G360C8K, PVS48G300C6, PVS48G360C82Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026The 19 desktop SKU sheets are PVS48G300C6, PVS48G360C8, PVS416G300C6, PVS416G320C6, PVS416G360C8, PVS432G300C6, PVS432G320C6, PVS432G360C8 (single modules) and PVS416G300C6K, PVS416G320C6K, PVS416G340C6K, PVS416G360C7K, PVS416G360C8K, PVS432G300C6K, PVS432G320C6K, PVS432G360C8K, PVS464G300C6K, PVS464G320C6K, PVS464G360C8K (kits).
GTIN / EAN
0814914025376, 0814914025567, 0814914025475, 0814914026939, 0814914025468, 0814914025512, 0814914025543, 0814914025536, 0814914027264, 0814914026892, 0814914025482, 0814914026908, 0814914026915, 0814914026922, 0814914026946, 0814914025451, 08149140276532Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026UPC printed on each sheet. PVS416G360C8K and PVS432G360C8K print the same number 0814914027349 for two different capacities, so neither UPC is stored.
Announced
29 November 201821Press releaselanoc.org/news/hardware-news/patriot-launches-viper-steel-ddr4-16gb-4400mhz-extreme-performance-memoryRead 15 October 2026Patriot press release datelined Fremont, CA, November 29th, 2018, as reposted by LanOC. It announces the Viper Steel series from 3000MHz up to 4400MHz, with availability in December 2018.
Status
Available1Maker product pagepatriotmemory.com/products/viper-steel-ddr4-performance-memory-ram-viper-gaming-by-patriot-memoryRead 15 October 2026Live product page with 31 SKU sheets, of which 19 are desktop DIMMs. The overview still mentions 4400 MT/s, but no SKU sheet above 3600 MT/s is published, so the 3866 to 4400 MT/s kits of the 2018 launch are not stored.
Predecessor
Not available
Successor
Not available
Launch price (US)
Not available
Launch price (EU)
Not available
Markets
Not available
Colours
Gunmetal Grey2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026Edition: Gunmetal grey sides with diamond-cutting Viper logo / Black top.
Memory type
DDR42Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026
Module type
UDIMM2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026Format: NON-ECC Unbuffered DIMM, Pin Out: 288-Pin.

Kit

Kit capacity
8, 16, 32, 64GB2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026
Modules per kit
1, 22Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026
Capacity per module
8, 16, 32GB2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026

Speed and timings

Rated speed
3,000, 3,200, 3,400, 3,600MT/s2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026
CAS latency (CL)
16, 17, 182Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026
Timings
16-18-18-36, 16-20-20-40, 17-21-21-41, 18-22-22-422Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026Tested Timings of Profile 1, tCL-tRCD-tRP-tRAS. This sheet lists 16-20-20-40 at 3200 MT/s. Two reviewers measured earlier 3200 kits that ran 16-18-18-36 at XMP, so the production timing set changed.
Voltage
1.35V2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026Tested Voltage for Profile 1: 1.35V on every desktop sheet.
Overclocking profiles
Intel XMP 2.01Maker product pagepatriotmemory.com/products/viper-steel-ddr4-performance-memory-ram-viper-gaming-by-patriot-memoryRead 15 October 2026Overview: speeds from 3000MT/s up to 4400MT/s with XMP 2.0 support. Each sheet lists one tested frequency profile.
Default speed (JEDEC)
2,133, 2,666MT/s2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026Base Frequency on each sheet: PC4-17000 (2133) on the 3000, 3400 and 3600 kits and PC4-21300 (2666) on the 3200 kits. The sheet writes the speed in MHz. It is the DDR4 data rate, stored as MT/s.
Default CAS latency (JEDEC)
15, 192Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026Base Timings: 15-15-15-36 at 2133 and 19-19-19-43 at 2666. Stored as CL15 and CL19.
Default voltage (JEDEC)
Not available

Modules

Rank
Single rank23Reviewurbantechnoobs.com/2019/08/patriot-viper-steel-3200mhz-16gb-memory-kit-review.htmlRead 15 October 2026Same sentence: a single rank module.24Reviewtechporn.ph/review-patriot-viper-steel-ram-3200mhz-2x8gb-memory-kitRead 15 October 2026Same sentence: single rank.
DRAM chips
SK hynix23Reviewurbantechnoobs.com/2019/08/patriot-viper-steel-3200mhz-16gb-memory-kit-review.htmlRead 15 October 2026Review of the Viper Steel 3200MHz 16GB (2 x 8GB) kit: a single rank module populated with SK Hynix chips. The die is not named and no part number is printed. PVS416G320C6K is the only 2 x 8 GB 3200 MT/s desktop kit on the maker's SKU list.24Reviewtechporn.ph/review-patriot-viper-steel-ram-3200mhz-2x8gb-memory-kitRead 15 October 2026Review of the 3200MHz 2 x 8 GB kit: each stick is a single rank module with SK Hynix chips. Agrees with the other review.
ECC
No2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026Non-ECC.
Heat spreader
Yes1Maker product pagepatriotmemory.com/products/viper-steel-ddr4-performance-memory-ram-viper-gaming-by-patriot-memoryRead 15 October 2026Overview: custom designed high performance aluminum heat spreader.
Module height
44.4mm2Maker spec sheet (PDF)patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/PVS_416_G320_C6_K_sku_sheet_96c3f3b880.pdfRead 15 October 2026Product size 0.7 cm (L) x 13.57 cm (W) x 4.44 cm (H) on every desktop sheet. Thickness 7 mm, length 135.7 mm and standing height 44.4 mm, so 44.4 is stored.24Reviewtechporn.ph/review-patriot-viper-steel-ram-3200mhz-2x8gb-memory-kitRead 15 October 2026Review table: length 135.7 mm, width 7 mm, height 44.4 mm, and the text says about 44 mm.

Lighting and software

RGB lighting
No24Reviewtechporn.ph/review-patriot-viper-steel-ram-3200mhz-2x8gb-memory-kitRead 15 October 2026The review calls the kit non RGB and says its plastic bar is not a light bar.
Lighting sync
Not available
Software
Not available

Measured

AIDA64 memory test (measured)
Part numberCPUSpeed (MT/s)TimingsRead (MB/s)Write (MB/s)Copy (MB/s)Latency (ns)
PVS416G320C6KAMD Ryzen 7 1700X3,20016-18-18-3646,68144,59739,68182.4
Source23Reviewurbantechnoobs.com/2019/08/patriot-viper-steel-3200mhz-16gb-memory-kit-review.htmlRead 15 October 2026AMD Ryzen 7 1700X on an ASUS ROG Crosshair VI, XMP 3200 MT/s at 16-18-18-36 and 1.35V. AIDA64 Extreme memory read 46681 MB/s, write 44597 MB/s, copy 39681 MB/s, latency 82.4 ns. The review gives no BIOS or AIDA64 version. The sample ran 16-18-18-36, while the current sheet lists 16-20-20-40.
Overclock reached (measured)
Not available

Warranty

Manufacturer warranty (source market)
Not available
Lifetime warranty
Yes1Maker product pagepatriotmemory.com/products/viper-steel-ddr4-performance-memory-ram-viper-gaming-by-patriot-memoryRead 15 October 2026Overview: backed by a limited lifetime warranty.

Compare with

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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)RankDRAM chips
PVS416G320C6K081491402537616 GB28 GB3,200 MT/s1616-20-20-401.35 VIntel XMP 2.02,666 MT/s19Single rankSK hynix
PVS432G320C6K081491402556732 GB216 GB3,200 MT/s1616-20-20-401.35 VIntel XMP 2.02,666 MT/s19Not availableNot available
PVS416G360C8KNot available16 GB28 GB3,600 MT/s1818-22-22-421.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS432G360C8KNot available32 GB216 GB3,600 MT/s1818-22-22-421.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS416G300C6K081491402547516 GB28 GB3,000 MT/s1616-18-18-361.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS464G320C6K081491402693964 GB232 GB3,200 MT/s1616-20-20-401.35 VIntel XMP 2.02,666 MT/s19Not availableNot available
PVS416G300C6081491402546816 GB116 GB3,000 MT/s1616-18-18-361.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS416G320C6081491402551216 GB116 GB3,200 MT/s1616-20-20-401.35 VIntel XMP 2.02,666 MT/s19Not availableNot available
PVS416G340C6K081491402554316 GB28 GB3,400 MT/s1616-18-18-361.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS416G360C7K081491402553616 GB28 GB3,600 MT/s1717-21-21-411.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS416G360C8081491402726416 GB116 GB3,600 MT/s1818-22-22-421.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS432G300C6081491402689232 GB132 GB3,000 MT/s1616-18-18-361.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS432G300C6K081491402548232 GB216 GB3,000 MT/s1616-18-18-361.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS432G320C6081491402690832 GB132 GB3,200 MT/s1616-20-20-401.35 VIntel XMP 2.02,666 MT/s19Not availableNot available
PVS432G360C8081491402691532 GB132 GB3,600 MT/s1818-22-22-421.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS464G300C6K081491402692264 GB232 GB3,000 MT/s1616-18-18-361.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS464G360C8K081491402694664 GB232 GB3,600 MT/s1818-22-22-421.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS48G300C608149140254518 GB18 GB3,000 MT/s1616-18-18-361.35 VIntel XMP 2.02,133 MT/s15Not availableNot available
PVS48G360C808149140276538 GB18 GB3,600 MT/s1818-22-22-421.35 VIntel XMP 2.02,133 MT/s15Not availableNot available

Sources

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

  1. Read 15 October 2026Backs 6 fields
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  22. Press releasehexus.net/qad2a3
    Read 15 October 2026Backs 1 field
  23. Read 15 October 2026Backs 4 fields
  24. Read 15 October 2026Backs 5 fields

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