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SPECIFICATIONS
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RM420

￭ Backplane support for 20 port SAS / SATA drives and 12 Gb/s Mini-SAS SFF-8087 with SGPIO*

￭ Includes four hot-swappable 80 x 38mm PWM fans

￭ Supports E-ATX or SSI-EEB motherboard

￭ Supports profile PCI/PCIe x7 slots

Remark

Test environment RM420 backplane ECS05 SAS 12G HBA Toshiba PX02SMF040 SAS 12G SSD CPS06 – Mini-SAS HD(SFF8643) to Mini-SAS(SFF8087) cable

Recommend accessories
PSU support list, please refer to RECOMMENDATIONS

Backplane support for 20 port SAS/SATA drives and SFF8087 x 5 with SGPIO

Includes hot-swappable 80 x 38mm PWM fans

Support profile PCI/PCIe x7 slots

Support E-ATX or SSI-EEB motherboard

PSU bracket & Screws, PSU support list please refer to RECOMMENDATIONS

 

SPECIFICATIONS

Model No.	SST-RM420
Chassis form factor	4U
Motherboard	E-ATX / SSI-EEB (12”x13”)
Drive Bay	External	3.5” hot swap x 20
	Internal	Slim ODD x 1 or 2.5” x 1 and 3.5” x 1 or 2.5” x 1
Cooling System	Hot-swap 80 x 38mm PWM fan x 4
Power Supply	2U/3U/Mini redundant or PS/2 (not included)
Expansion Slot	Standard profile PCI/PCIe x7 slots
Front I/O Port	USB 2.0 x 2
Front buttons	Power On/Off, system reset, alarm reset
Indicators	Power status x 1, HDD Activity x 1, LAN Activity x 2, Fan failure x 1, Overheat x 1
HDD backplane	20 port SAS/SATA to SFF8087 x 5 with SGPIO
HDD Interface	SAS-1 / SAS-2 / SAS-3 SATA-1 / SATA-2 / SATA-3
Main metal thickness	1.2mm
Net Weight	17Kg
Dimension	438.5mm (W) x 176mm (H) x 660mm (D) 17.26" (W) x 6.93" (H) x 25.98" (D)

*Mini-SAS HD (SFF8643) to Mini-SAS (SFF8087) cable and 12 Gb/s SAS HD card required for 12 Gb/s performance. (e.g. SilverStone CPS06 & ECU05).

 

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Describe	Ver	Size	Download
RM420 Manual	v1.0	1,020 KB
RM420 High resolution photos		7,514 KB
RM series 3.5” 8 bay SAS backplane specification	V1.0	565 KB
RM series 3.5” 12 bay SAS backplane specification	V1.0	620 KB
RM420 eDM (rm420_edm_en.pdf)		492 KB

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