Part No: 49Y1555 - IBM 8GB (1X8GB) 1333MHz PC3-10600 240-Pin CL9 2RX4 ECC Registered DDR3 VLP SDRAM RDIMM 1.5VOLT IBM Memory for BL

Capacity: 8GB (Single 8GB Module)
Type: DDR3 SDRAM (Synchronous Dynamic Random Access Memory)
Speed: 1333 MHz (PC3-10600)
Form Factor: 240-Pin RDIMM (Registered Dual Inline Memory Module)
Rank: 2RX4 (Dual Rank with a 4-bit wide data bus per chip)
Voltage: 1.5V (standard voltage for DDR3)
CAS Latency: CL9 (latency timing)
ECC: Error-Correcting Code (ECC) for data integrity and error correction
VLP (Very Low Profile): Space-saving design, suitable for systems with height restrictions
Usage: Typically used in Blade servers (as indicated by "BL") or other compact server environments.