HP Z Workstation Memory: Z1, Z2, Z4, Z6, Z8 & ZCentral
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Memory upgrades matched to your HP Z workstation. Each listing covers one HP Z model and one memory type, with the speed, module sizes and kit sizes HP specifies for that model. To find yours, type the model into the search bar at the top of the page, for example Z4 G4, Z8 G4, Z2 Tower G9, Z2 Mini G5 or Z840. For help identifying your workstation, see the HP workstation memory guide.
Z8 G4, Z6 G4, Z4 G4 and ZCentral 4R: DDR4-2933 RDIMM, plus LRDIMM for the Z8 G4 and non-ECC UDIMM for the Z4 G4 with Core X.
Z840, Z640 and Z440: DDR4-2400 RDIMM.
Z2 Tower, Z2 SFF and Z2 Mini: G4 to G1i, DDR4 and DDR5, ECC and non-ECC listings for each model.
Z1: Entry Tower G5 and G6, G8 Tower, G9 Tower and Tower G1i, non-ECC UDIMM.
Z240: Tower and SFF, DDR4-2400 ECC and non-ECC UDIMM.
ECC or non-ECC?
Z4, Z6, Z8 and ZCentral workstations use registered ECC memory. Z2 and Z240 systems take ECC memory with a supporting processor (Xeon, and some Core models) and non-ECC memory otherwise; HP does not support mixing the two. Match what is installed, or replace all modules at once.
Buying for a workstation fleet
NEMIX RAM is a US-based memory specialist, in business since 1993. Every module is researched, matched, and compatibility-tested by NEMIX RAM, is JEDEC-compliant, and is backed by a lifetime warranty. Purchase orders, net terms and volume pricing are available. Request a quote, or send us your HP model and we will confirm the right module before you order.
