Mechanical Specifications
System and controller features
Controller	Dual redundant controllers
Drive Support	(12, 24, 36 HDD or SSD) 3.5” 960GB or 1.9TB 6Gbit SATA SSDs, or 3.5” 12Gbit 2TB, 4TB, 6TB, 8TB, 10TB, 12TB SAS HDDs in field replaceable canisters, LED support, hot spare, or cold spare as required
Host Ports	8 x 1Gb/s iSCSI ports (4 per controller)
Cache memory	Default DDR4 16GB, up to 32GB, 64GB, 128GB or 256GB
Cache backup techniques	Super Capacitor + Flash module
Maximum number of drives	2u 24 bay 24 per system; 444 via expansion enclosure
	3U 16 bay 16 per system; 436 via expansion enclosure
	4u 24 bay 24 per system; 444 via expansion enclosure
Drive Connectivity	12Gb/s SAS connectivity
Drive advanced features	S.M.A.R.T. support/ Automatic bad-sector reassignment/ Dedicated bandwidth to each connected drive
Supported drives	2.5" SAS SSDs, 2.5" SATA SSDs*, 2.5" 10,000 RPM & 15,000 RPM SAS drives, 3.5" 7,200 RPM Nearline SAS drives
OS support	Windows Server 2008/ 2008 R2/ 2012/ 2012 R2/ 2016 (including Hyper-V), RedHat Enterprise Linux, SUSE Linux Enterprise, Sun Solaris, Mac OS X, HP-UX, IBM AIX, VMware, Citrix XenServer, OpenStack Cinder (For the latest OS support details, please contact your sales representative)
Power	Power supplies: Redundant/hot-swappable 530W x 2; AC voltage: 100VAC @ 8A to 240VAC @ 5A with PFC (auto-switching); Frequency: 50-60 Hz
Temperature	Operating: 0 to 40°C without BBU or CBM / 0 to 35°C with BBU or CBM; Non-operating: -40 to 60°; Altitude: Sea level to 3048m(10000ft) operating / sea level to 12,192m (40,000ft) non-operating; Relative humidity: 5 to 95% non-condensing, operating and non-operating
Regulatory	Safety: UL, BSMI, CB, EAC; Electromagnetic compatibility: CE, BSMI, FCC, KC
Chassis dimensions	2U 24 bay: 17.6 in. (448mm) (W) x 3.46 in. (88mm) (H) x 19.7 (500mm) (D)
	3U 16 bay: 17.6 in. (448mm) (W) x 5.1 in. (130mm) (H) x 19.7 in. (500mm) (D)
	4U 24 bay: 17.6 in. (448mm) (W) x 6.9 in. (175mm) (H) x 19.7 (500mm) (D)
Weight (Without HDDs)	2U 24 bay: 43.17lbs/19.58kg; 3U 16 bay: 47.75lbs/21.66kg; 4U 24 bay: 60.49lbs/27.44kg
Shipping dimensions	2U 24 bay: 30.32 in. (770mm) (W) x 13.78 in. (350mm) (H) x 22.8 in. (580mm) (D)
	3U 16 bay: 30.7 in. (780mm) (W) x 16.7 in. (423mm) (H) x 23.2 in. (588mm) (D)
	4U 24 bay: 30.7 in. (780mm) (W) x 18.3 in. (465mm) (H) x 23.2 in. (588mm) (D)