ThinkSystem D4390 Direct Attached Storage

Tech Specs

Form Factor	4U
Dual Expansion Modules	Dual 12/24Gb SAS standard, with active/active failover
Supported Drives	90x hot-swap SAS HDD/SSD drives (12 SAS SSD drives supported per enclosure): Up to 24TB 7,200rpm NL-SAS HDDs Up to 800GB SSDs (2.5″ drive in 3.5″ tray)
Storage Capacity (per enclosure)	Up to 2.1PB – 7,200rpm NL SAS HDDs Up to 9.6TB – SAS SSDs
Expandability (via Daisy-Chain)	Up to 4x D4390 enclosures per HBA
Host Controllers Supported	ThinkSystem RAID 940-8e PCIe 12Gb Adapter ThinkSystem 440-16e SAS/SATA PCIe Gen4 12Gb HBA ThinkSystem 440-8e PCIe 12Gb SAS/SATA HBA
RAID Support	RAID-0, 1, 10, 5, 50, 6, 60 (Host controller-dependent)
Power Supplies and Fans	4x 1200W 80 Plus Titanium (2+2/3+1) hot-swap/redundant power supplies; 5 hot-swap/redundant fans
Back Panel Connectors	Each expansion module (x2) has 4x 24Gbps Mini-SAS HD (SFF-8644) ports
Dimensions (H x W x D)	175.3mm x 446mm x 1080mm (6.9” x 17.56” x 42.52”)
Weight	Min. 45kg (95lbs) / Max. 118kg (260lbs)
Hot-Swap Components	HDDs, SSDs, ESMs, PSUs, 5V DC-DC modules, fans
Limited Warranty	3-year Limited Warranty, 9×5 Next Business Day Onsite (upgradeable)