A-Tech 4GB DDR3 1600MHz PC3-12800 ECC UDIMM 2Rx8 Server Memory

4GB DDR3 ECC UDIMM for servers

This 4GB DDR3 1600MHz module adds ECC unbuffered memory to compatible server and workstation systems. It runs at PC3-12800 speed with CL11 latency and standard 1.50V voltage. The single 240-pin DIMM uses a 2Rx8 rank organisation and major-brand chips for stable operation in always-on environments.

Unbuffered DIMM with 240-pin connector

The UDIMM form factor plugs directly into standard DDR3 DIMM slots without a register buffer, keeping latency low for single-socket platforms. Gold-edge contacts on the 240-pin interface ensure reliable seating and signal integrity over repeated insertions. Unbuffered design means the memory controller drives each chip directly, so populate slots according to your system manual for best stability.

Verify DDR3 ECC UDIMM support before ordering

Confirm your motherboard or server accepts DDR3 ECC unbuffered DIMMs at 1600MHz and 1.50V. Check the maximum capacity per slot and total system limit in the vendor documentation. This module replaces IBM-Lenovo part numbers 0B47377, 00D4957, 00D4955 and 47J0180, but cross-reference your exact model to avoid mismatched rank or voltage requirements.