Dell 4GB Certified Memory Module - 1Rx8 DDR4 UDIMM 2133MHz NON-ECC Product Type RAM memory Capacity 4 GB Memory Type DDR4 SDRAM - DIMM 288-pin Upgrade Type System specific Data Integrity Check Non-ECC Speed 2133 MHz (PC4-17000) Latency Timings CL15 Features Single rank, unbuffered Voltage 1.2 V OEM Manufacturer Equivalent Part Number DELL A8058283 Manufacturer Warranty Limited lifetime warranty Manufacturer Part : SNP61H6HC/4G Dell Part : A8058283 Compatibility This product is compatible with the following systems: Alienware Area - 51 R2 Alienware R3 Latitude 3560 Optiplex 3046 MT Optiplex 3046 SFF OptiPlex 7040 MT OptiPlex 7040 SFF Precision T3420 Precision T3620 XPS 8900 XPS Tower