{"data":{"slug":"patriot-viper-xtreme-5-ckd-ddr5","type":"ram","brand":"Patriot","name":"Viper Xtreme 5 CKD DDR5","aliases":["Patriot Viper Xtreme 5 CKD","Viper Xtreme 5 CKD","Viper Xtreme 5 CKD DDR5 non-RGB","Viper Xtreme 5 CUDIMM","VX548G9646CK"],"release_date":"2025-09","url":"https://arkivo.dev/ram/patriot-viper-xtreme-5-ckd-ddr5","specs":{"series":"Viper Xtreme 5","model_numbers":["VX548G8640CK","VX548G9244CK","VX548G9646CK"],"gtins":["4711378430738","4711378430745","4711378430752"],"announce_date":"2025-01","status":"available","predecessor":null,"successor":null,"launch_price_usd":null,"launch_price_eur":null,"markets":null,"colors":["Silver"],"manufacturer_url":"https://www.patriotmemory.com/products/xtreme5-ckd-ddr5-performance-ram","spec_sheet_url":"https://patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/VX_548_G9646_CK_sku_sheet_43a0ad294a.pdf","manual_url":"https://patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/Installation_guide_memory_28b4cfe5c6.pdf","eprel_registration_number":null,"warranty_years":null,"ram_type":"ddr5","module_type":"cudimm","ram_gb":[48],"module_count":[2],"module_capacity_gb":[24],"ram_rated_speed_mts":[8600,9200,9600],"cas_latency":[40,44,46],"timings":["40-52-52-138","44-56-56-147","46-58-58-126"],"voltage_v":[1.45],"oc_profiles":["xmp_3"],"jedec_speed_mts":[6400],"jedec_cas_latency":[52],"jedec_voltage_v":[1.1],"module_ranks":null,"dram_chips":null,"ram_ecc":false,"heat_spreader":true,"height_mm":44,"rgb_lighting":false,"lighting_ecosystems":null,"software_name":null,"measured_aida64":[{"model_number":"VX548G9646CK","cpu":"Intel Core Ultra 7 265K","speed_mts":9600,"timings":"46-58-58-126","read_mbs":115426,"write_mbs":94128,"copy_mbs":103428,"latency_ns":95.2},{"model_number":"VX548G9646CK","cpu":"Intel Core Ultra 7 265K","speed_mts":9000,"timings":"42-58-58-141","read_mbs":111528,"write_mbs":89478,"copy_mbs":99848,"latency_ns":96.5},{"model_number":"VX548G9646CK","cpu":"Intel Core Ultra 7 265K","speed_mts":9000,"timings":null,"read_mbs":128020,"write_mbs":100710,"copy_mbs":110740,"latency_ns":75.4}],"measured_overclock":null,"lifetime_warranty":true},"variants":[{"model_number":"VX548G8640CK","gtin":"4711378430738","ram_gb":[48],"module_count":[2],"module_capacity_gb":[24],"ram_rated_speed_mts":[8600],"cas_latency":[40],"timings":["40-52-52-138"],"voltage_v":[1.45],"oc_profiles":["xmp_3"],"jedec_speed_mts":[6400],"jedec_cas_latency":[52],"jedec_voltage_v":[1.1],"module_ranks":["single"],"colors":["Silver"]},{"model_number":"VX548G9244CK","gtin":"4711378430745","ram_gb":[48],"module_count":[2],"module_capacity_gb":[24],"ram_rated_speed_mts":[9200],"cas_latency":[44],"timings":["44-56-56-147"],"voltage_v":[1.45],"oc_profiles":["xmp_3"],"jedec_speed_mts":[6400],"jedec_cas_latency":[52],"jedec_voltage_v":[1.1],"module_ranks":["single"],"colors":["Silver"]},{"model_number":"VX548G9646CK","gtin":"4711378430752","ram_gb":[48],"module_count":[2],"module_capacity_gb":[24],"ram_rated_speed_mts":[9600],"cas_latency":[46],"timings":["46-58-58-126"],"voltage_v":[1.45],"oc_profiles":["xmp_3"],"jedec_speed_mts":[6400],"jedec_cas_latency":[52],"jedec_voltage_v":[1.1],"module_ranks":["single"],"colors":["Silver"],"dram_chips":["SK hynix M-die"]}],"sources":[{"url":"https://www.patriotmemory.com/products/xtreme5-ckd-ddr5-performance-ram","kind":"manufacturer_page","accessed":"2026-10-15","fields":["manufacturer_url","series","model_numbers","variants","status","colors","ram_type","module_type","ram_gb","module_count","module_capacity_gb","ram_rated_speed_mts","cas_latency","voltage_v","oc_profiles","jedec_speed_mts","jedec_cas_latency","jedec_voltage_v","heat_spreader","height_mm","rgb_lighting","lifetime_warranty"],"notes":{"model_numbers":"The SKU Sheets tab groups 3 Non-RGB Kits (VX548G9646CK, VX548G9244CK, VX548G8640CK) and 2 RGB Kits (VX5R48G8640CK, VXR548G9244CK). The sheets and the QVL name the lines Viper Xtreme 5 CKD DDR5 and Viper Xtreme 5 RGB CKD DDR5. This product is the Non-RGB line. The RGB kits are not stored. All kits are 48GB (2x24GB).","variants":"One row per Non-RGB SKU. Capacity, speed, CL and voltage come from the SKU Sheets table and the sheets agree. The QVL tab gives the same speed, timings and 1.45V per part number. Rank: the QVL tab lists chip configuration 3Gx8 for each of the three part numbers. A 24GB module of 3GB x8 chips has 8 chips, which is one rank, so single is stored for each row. The FunkyKit review confirms single rank for VX548G9646CK.","module_type":"The QVL tab and the SKU sheet text say CUDIMM with an onboard clock driver. The Specs tab and the sheet title write UDIMM for the form factor. CUDIMM is stored because the module carries a clock driver.","jedec_speed_mts":"Specs tab: Base Speeds 6400, Base Timings 52, Base Voltage 1.1V. Each sheet repeats Base Frequency PC5-51200 (6400MT/s), Base Timings 52-52-52-103 and Base Voltage 1.1V.","jedec_cas_latency":"The sheet base timings 52-52-52-103 are stored. The CPU-Z SPD screenshot in the FunkyKit review shows CL 56 for JEDEC profile 14 (3200 MHz). The maker sheet wins.","height_mm":"Specs tab: Dimensions 0.6 cm (L) x 13.5 cm (W) x 4.4 cm (H). The middle number is the 44 mm standing height. The sheets give 1.73 in for the same value.","heat_spreader":"Sheet: aluminum heat spreader. The black anodized aluminum heatshield has a silver light bar.","rgb_lighting":"The SKU Sheets tab groups these kits as Non-RGB Kits. The page text about RGB lighting covers the RGB line on the same page. The FunkyKit review sample has no RGB illumination.","colors":"Specs tab: Color Silver. Sheets: Silver with Black Viper logo / Silver light bar.","lifetime_warranty":"Specs tab and every sheet: Limited lifetime warranty.","oc_profiles":"Page: Support for Intel XMP 3.0. Sheets: XMP 3.0 overclocking supported."}},{"url":"https://patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/VX_548_G8640_CK_sku_sheet_83d1f3d9d0.pdf","kind":"manufacturer_pdf","accessed":"2026-10-15","fields":["variants","timings","gtins"],"notes":{"variants":"SKU sheet of VX548G8640CK. Tested profiles: 1 is 8600 MT/s 40-52-52-138 1.45V, 2 is 8400 MT/s 40-52-52-138 1.45V, 3 is 8200 MT/s 38-49-49-85 1.45V. Base 6400 MT/s 52-52-52-103 1.1V. Barcode 4711378430738. Features: XMP 3.0 overclocking supported, Clock Driver Supported, On-Die ECC, Thermal sensor.","timings":"Profile 1 of the sheet is the speed and CL on the label: 40-52-52-138.","gtins":"13-digit barcode printed on the sheet of VX548G8640CK: 4711378430738."}},{"url":"https://patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/VX_548_G9244_CK_sku_sheet_750f6e30b9.pdf","kind":"manufacturer_pdf","accessed":"2026-10-15","fields":["variants","timings","gtins"],"notes":{"variants":"SKU sheet of VX548G9244CK. Tested profiles: 1 is 9200 MT/s 44-56-56-147 1.45V, 2 is 9000 MT/s 42-56-56-144 1.45V, 3 is 8800 MT/s 40-56-56-134 1.45V. Base 6400 MT/s 52-52-52-103 1.1V. Barcode 4711378430745. Features: XMP 3.0 overclocking supported, Clock Driver Supported, On-Die ECC, Thermal sensor.","timings":"Profile 1 of the sheet is the speed and CL on the label: 44-56-56-147.","gtins":"13-digit barcode printed on the sheet of VX548G9244CK: 4711378430745."}},{"url":"https://patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/VX_548_G9646_CK_sku_sheet_43a0ad294a.pdf","kind":"manufacturer_pdf","accessed":"2026-10-15","fields":["spec_sheet_url","variants","timings","gtins","ram_ecc"],"notes":{"variants":"SKU sheet of VX548G9646CK. Tested profiles: 1 is 9600 MT/s 46-58-58-126 1.45V, 2 is 9200 MT/s 44-56-56-147 1.45V, 3 is 9000 MT/s 42-56-56-144 1.45V. Base 6400 MT/s 52-52-52-103 1.1V. Barcode 4711378430752. Features: XMP 3.0 overclocking supported, Clock Driver Supported, On-Die ECC, Thermal sensor.","timings":"Profile 1 of the sheet is the speed and CL on the label: 46-58-58-126.","spec_sheet_url":"SKU sheet of the 9600 MT/s kit VX548G9646CK, the fastest and best known SKU.","ram_ecc":"The sheet lists On-Die ECC only in a complete specifications list. That is the ECC inside every DDR5 chip. No sheet or page names ECC across the module, so ram_ecc is false.","gtins":"13-digit barcode printed on the sheet of VX548G9646CK: 4711378430752."}},{"url":"https://patriot-cms-media.sgp1.cdn.digitaloceanspaces.com/Installation_guide_memory_28b4cfe5c6.pdf","kind":"manual","accessed":"2026-10-15","fields":["manual_url"],"notes":{"manual_url":"Installation guide of Patriot memory, linked on the product page Downloads tab. It covers installation and holds no model specs."}},{"url":"https://www.funkykit.com/reviews/memory/patriot-viper-xtreme-5-ckd-48gb-ddr5-9600-memory-kit-review/","kind":"review_site","accessed":"2026-10-15","fields":["variants","measured_aida64","release_date"],"notes":{"variants":"Review of 10 October 2025 of the 48GB DDR5-9600 kit with no RGB, which is VX548G9646CK (the only 9600 kit in the line, the label shows 9600 MT/s CL46). The text says the kit holds two single-rank modules, SK hynix M-die ICs, a Samsung clock driver and a GMT PMIC. The CPU-Z SPD tab shows DRAM manufacturer SK Hynix, XMP 3.0, week 31 of 2025, XMP-9600 46-58-58-126, XMP-9000 42-58-58-141 and XMP-8800 40-56-56-134 at 1.450V. Page 5 says the series uses Hynix M-die IC. Single rank and the chips are stored on the VX548G9646CK row only, since the same part number can ship with other chips over time.","measured_aida64":"AIDA64 Cache and Memory Benchmark v7.70 on an Intel Core Ultra 7 265K with an MSI MEG Z890 Unify-X, BIOS 1.A60 (from the AIDA64 screenshot), Colorful RTX 4080, dual channel. Values are printed on the review charts. Row 1 is XMP profile 1 at 9600 MT/s and row 2 is XMP profile 2 at 9000 MT/s, both on automatic settings in Gear 4. Row 3 is the reviewer's 9000 MT/s manual overclock in Gear 2 with tighter timings that the review does not state. A single AIDA64 screenshot of the 9600 XMP run in the review reads 115.71 GB/s read, 92847 MB/s write, 103.08 GB/s copy and 93.1 ns, so runs vary. The review lists XMP 2 as CL42-58-58 and the maker sheet as 42-56-56-144. The stored 42-58-58-141 is what the module SPD and the reviewer's timing screenshot show.","release_date":"First review, with the note that the fastest Viper Xtreme 5 memory was not yet available worldwide and a Limited Availability tag. The kit was in stores in limited numbers in October 2025."}},{"url":"https://web.archive.org/web/20250909044016/https://viper.patriotmemory.com/products/xtreme5-ckd-ddr5-performance-ram","kind":"manufacturer_page","accessed":"2026-10-15","fields":["release_date"],"notes":{"release_date":"Earliest Internet Archive capture of Patriot's Viper Xtreme 5 CKD product page, 9 September 2025, with the Non-RGB Kits and RGB Kits groups. The exact first retail month is not stated by the maker. The kit was announced in January 2025 and shown again at Computex in May 2025 as upcoming. September 2025 is the best supported month."}},{"url":"https://www.kitguru.net/components/memory/matthew-wilson/ces-2025-patriot-unleashes-ultra-fast-9600mt-s-memory-and-previews-lpcamm2/","kind":"press","accessed":"2026-10-15","fields":["announce_date"],"notes":{"announce_date":"KitGuru CES 2025 report of 10 January 2025: Patriot showed Viper Xtreme 5 CKD memory at speeds up to 9600MT/s and capacities up to 48GB with a silver heatshield. No timings, price or availability were stated."}}],"fields_filled":28,"updated":"2026-10-15"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}