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title and breadcrumb SP DDR4 UDIMM. The same datasheet also covers the SODIMM line, which is a laptop module and is not stored here. The 2017 UDIMM with heatsink is a separate release.","model_numbers":"The Product Specifications table lists 46 part numbers with capacity, speed, timing and voltage. All 46 are stored. The datasheet lists more part numbers that end in 01 or 21 and in N, which are not on this page.","status":"The page is live with the 46 part numbers on 2026-10-16. Amazon carries a listing of the SP016GBLFU320B22 kit.","module_type":"Table column and page title: UDIMM.","ram_gb":"Capacity column: 4GB, 8GB, 16GB and 32GB single modules and 8GBx2, 16GBx2 and 32GBx2 kits. A plain figure is one module and 8GBx2 is two 8GB modules.","module_count":"Read from the Capacity column, for example 16GBx2 is two modules. SP008GBLFU213X22 is listed as plain 8GB with a kit-style X22 code, so its module count is not stored.","module_capacity_gb":"Read from the Capacity column, for example 32GBx2 is two 32GB modules.","ram_rated_speed_mts":"Speed column: 2133MT/s, 2400MT/s, 2666MT/s and 3200MT/s. The page writes MT/s, which is the data rate.","cas_latency":"Timing column, first number. The CL of each speed grade matches the datasheet list CL15(2133), CL17(2400), CL19(2666) and CL22(3200).","timings":"Timing column as tCL-tRCD-tRP-tRAS: 15-15-15-36, 17-17-17-39, 19-19-19-43 and 22-22-22-52. SP004GBLFU266X02 is listed at 2666MT/s with 22-22-22-52, while the datasheet states CL19 for 2666. The page value is stored for that part number.","voltage_v":"Voltage column and Specifications: 1.2V on every row.","oc_profiles":"The page and the datasheet say the modules comply with JEDEC standards and name no XMP or EXPO profile, so the kits run from SPD.","jedec_speed_mts":"The kits are JEDEC modules with no profile, so the tested speed is the default speed.","jedec_cas_latency":"Same as the rated CL, since there is no profile.","jedec_voltage_v":"Same as the rated voltage, since there is no profile.","lifetime_warranty":"Specifications: Warranty Limited Lifetime warranty.","heat_spreader":"The product photos show a bare black PCB with the DRAM chips and a label and no heat spreader. The page text mentions none.","rgb_lighting":"The page describes no lighting and the product photos show none.","variants":"One row per part number in the table. Capacity, speed, timing and voltage come from the table row. Rank comes from the datasheet."}},{"url":"https://www.silicon-power.com/download-detail/DDR4_UDIMM/","kind":"manufacturer_pdf","accessed":"2026-10-16","fields":["spec_sheet_url","module_type","ram_rated_speed_mts","cas_latency","timings","voltage_v","oc_profiles","ram_ecc","module_ranks","lifetime_warranty","variants"],"notes":{"spec_sheet_url":"Datasheet DDR4 UDIMM/SODIMM, v3.0, PDF created 2024-02-29. Page 1 is the specifications. Page 2 lists IC configuration, rank and part numbers per speed.","module_type":"Specifications: Form Factor UDIMM 288Pin UDIMM non-ECC.","ram_rated_speed_mts":"Specifications: Frequency (Speed) 2133MT/s, 2400MT/s, 2666MT/s and 3200MT/s. Actual speed may vary with the platform.","cas_latency":"Specifications: CL15(2133), CL17(2400), CL19(2666), CL22(3200).","timings":"The ordering tables state only the CL and the voltage. The full timing sets come from the product page.","voltage_v":"Specifications: Voltage 1.2V.","oc_profiles":"Features: Complies with JEDEC standards. No XMP or EXPO profile is named.","ram_ecc":"Specifications: 288Pin UDIMM non-ECC.","module_ranks":"The UDIMM ordering tables give an IC configuration and a rank per part number, for example 8GBx2 1Gx8 Single Rank for SP016GBLFU320B21 and B22, and 16GBx2 1Gx8 Dual Rank for SP032GBLFU320B21 and B22. The rank is per module. The X part numbers and the SU part numbers are not in the tables, so their rank is not stored. The sheet does not name the chip maker.","lifetime_warranty":"Specifications: Warranty Lifetime warranty.","variants":"Rank per part number, matched on the part number without its last digit. The 01 and 21 versions of a code share the rank of the 02 and 22 versions."}},{"url":"https://www.sostav.ru/blogs/124127/15950","kind":"press_release","accessed":"2026-10-16","fields":["announce_date"],"notes":{"announce_date":"Russian copy of Silicon Power's announcement of the DDR4-2133 U-DIMM, dated 2014-12-01. It lists 4GB and 8GB modules and 8GB to 32GB kits, 1.2V and a lifetime warranty. Silicon Power's own news page of the release is no longer online. Search listings date it to late November 2014."}},{"url":"https://www.gdm.or.jp/pressrelease/2015/0128/101890","kind":"press","accessed":"2026-10-16","fields":["release_date"],"notes":{"release_date":"Silicon Power Japan announced on 2015-01-28 that the DDR4-2133 U-DIMM in 4GB and 8GB goes on sale in mid-February 2015. The 2400, 2666 and 3200 grades came later. No retail date for them was read."}},{"url":"https://www.amazon.com/dp/B0924LFB3Z","kind":"retailer","accessed":"2026-10-16","fields":["gtins","variants"],"notes":{"gtins":"Item details: UPC 886576054193, Mfr Part Number SP016GBLFU320B22.","variants":"Listing of SP016GBLFU320B22 as a 16GB kit of two 8GB modules, 3200MHz, CL22 and 1.2 volts. The listing text mentions a heat spreader, which belongs to the heatsink UDIMM line and not to this bare module."}},{"url":"https://www.buildcores.com/products/RAM/egr34i0wy/Silicon-Power-SP016GBLFU320B22-DDR4-3200-CL22-16GB-(2x8GB)","kind":"spec_database","accessed":"2026-10-16","fields":["heat_spreader","rgb_lighting"],"notes":{"heat_spreader":"BuildCores lists Heat Spreader No for SP016GBLFU320B22.","rgb_lighting":"BuildCores lists RGB No for SP016GBLFU320B22."}}],"fields_filled":25,"updated":"2026-10-16"},"meta":{"api_version":"1","docs":"https://arkivo.dev/api"}}