Product UPC: 000043586400 The new IBM memory upgrade offerings let you upgrade standard system memory capacity, helping to improve overall system performance. Specifications General Storage Capacity: 4 GB: 2 x 2 GB Upgrade Type: System specific OEM Manufacturer Equivalent Part Number: IBM 73P2867 Memory Type: DRAM Technology: DDR2 SDRAM Form Factor: DIMM 240-pin Memory Speed: 400 MHz ( PC2-3200 ) Latency Timings: CL3 Data Integrity Check: ECC Chipkill RAM Features: Dual rank, registered Expansion / Connectivity Compatible Slots: 2 ...