The following figure shows the internal drive bay configurations.Figure 7. Internal drive bay configurationsThe following table lists the internal storage options for the SR630 server.Table 14. Internal storage optionsDescriptionPartnumberFeaturecodeMaximumsupportedFactory-installed backplane kitsThinkSystem SR530/SR630 4x3.5" SATA/SAS Backplane None* AUW8 1ThinkSystem SR630 3.5" AnyBay 4-Bay Backplane None* B0WJ 1ThinkSystem SR530/SR630 8x2.5" SATA/SAS Backplane None* AUWB 1ThinkSystem SR630 10x2.5" AnyBay Backplane None* AUW9 1ThinkSystem SR630 2.5" U.2 10-Bay Backplane Kit None* AVKF 1ThinkSystem SR630 Rear HDD Kit 7XH7A06252 AUWJ 1Backplane kit field upgrade optionsThinkSystem SR530/SR630 2.5" SATA/SAS 8-Bay Backplane Kit 7XH7A05896 None** 1ThinkSystem SR630 Rear HDD Kit 7XH7A06252 AUWJ 1M.2 enablement kitsThinkSystem M.2 Enablement Kit 7Y37A01092 AUMU 1ThinkSystem M.2 with Mirroring Enablement Kit 7Y37A01093 AUMV 1* These backplane kits can be factory-installed in standard or custom (CTO or Special Bid) models, and they might not have anoption part number assigned.** Field upgrade only; used for upgrading models without any drive bays to 8x 2.5" SAS/SATA hot-swap drive bays.Lenovo ThinkSystem SR630 Server 29