Form Factor
2U
Dual Expansion Modules
Dual 12Gb SAS standard (MiniSAS-HD SFF 8644), with active/active failover
Supported Drives
24 hot-swap SAS 2.5-inch drives: 300GB and 600GB 15,000rpm HDDs; 600GB, 900GB, 1.2TB, and 1.8TB 10,000rpm HDDs; 1.2TB 10k SED HDDs; 1TB and 2TB 7,200rpm NL HDDs; 400GB, 800GB, and 1.6TB 3 DWD SSD; 400GB, 800GB, and 1.6TB 10 DWD SSDs*; 800GB SED SSDs*; 3.84TB and 7.68TB 1DWD SSDs*
Storage Capacity (per D1224 enclosure—up to 8 enclosures supported per SAS Chain)
Up to 14.4TB – 15,000rpm SAS HDDs; 43.2TB – 10,000rpm SAS HDDs; up to 28.88TB – 10,000rpm SAS SED HDDs; up to 48TB – 7,200rpm NL SAS HDDs; up to 184.32TB – SSDs; up to 19.2TB SED SSDs
Expandability (via Daisy-Chain)
Up to 8 D1224 units per SAS Chain
HBAs Supported
- ThinkServer 8885e PCIe 12Gb SAS Adapter (PMC 8885E chipset); ThinkServer LSI 93008-e (12Gb; LSI SAS 31088); Lenovo N2225 SAS/SATA HBA (12Gb) Adapter for System x (12Gb; LSI SAS 3008); N2226 SAS/SATA HBA (12Gb) Adapter for System x (LSI SAS 3008); ServeRAID M5225-2GB SAS/SATA Controller for System x (LSI SAS 3108); Avago SAS 9300-8e Host Bus Adapter (12Gb; LSI SAS 3008); Avago SAS 9300-16e Host Bus Adapter (12Gb; LSI SAS 3008 x2);
- Avago SAS 9302-16e Host Bus Adapter (12Gb; LSI SAS 3008 x2); Avago MegaRAID SAS 9380-8e LSI SAS3108); Avago MegaRAID SAS 9380-4i4e LSI SAS3108)
RAID Support
RAID-0, 1, 10, 5, 50, 6, 60 (HBA-dependent)
Power Supplies and Fans
Two 580W (1+1) hot-swap/redundant 80 Plus Gold power supplies; two integrated fans per power supply
Back Panel Connectors