4PCS 8GB 1066MHz Quad Rank Reg ECC x8 Module Genuine CMS brand, CMS is one of the most trusted names in the Computer Memory industry and this product carries a Lifetime Warranty from
CMS Max Memory: 16 GB ECC UDIM
Ms 32 GB Reg
ECC RDIMM Sockets: 4 Sockets for ECC UDIM
Ms 6 Sockets for ECC RDIMM Our DDR3-1333 modules automatically clock down to 1066MHz and 800MHz depending on which Intel Xeon model is installed and how many module Banks are populated. Due to chipset limitations, DDR3 Quad Rank memory will operate at 1066MHz in the first Dual Channel bank. Adding Quad Rank modules in the second Dual Channel bank will operate at 800MHz. Third Dual Channel bank, if present, is disabled. This system supports six (6) Single or Dual Rank Reg ECC RDIM
Ms or four (4) Quad Rank RDIM
Ms or ECC UDIM
Ms. Mixing Registered ECC and Unbuffered ECC modules is not supported within this system. Intel Xeon 3400 series processors use Registered memory. Intel Celeron, Pentium, and Core i processors use ECC-Unbuffered memory, not Registered memory How to Upgrade Quad
Rank RDIM
Ms: Virtually any configuration up to 32GB can be reached using 4GB and 8GB QR RDIM
Ms up to four modules Single or Dual
Rank RDIM
Ms: Virtually any configuration up to 24GB can be reached by using 1, 2 and 4GB SR or DR RDIM
Ms up to 6 modules
ECC UDIM
Ms: Virtually any configuration up to 16GB can be reached using Kingston's 1, 2 and 4GB ECC UDIM
Ms up to four modules