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DreamMicro 4U SAS/SATA JBOD System M4240H

$3,638 RRP (Inc-GST)


Product Information

High Density and Flexibility

M4240H is the high density SASII/SATAIII 6Gb/s 4U-24 bay 3.5/2.5 JBOD. M4240H delivers a high-performance, high-availability, high-serviceability & cost-effective disk expansion solution to meet the enterprise class demand in solving the challenges of todays fast growing of storage capacity.

High Redundancy and Serviceability

M4240H supports SAS full duplex access capabilities with dual SAS Interface Module, with three host 6Gb/s SAS ports in each SAS Interface Module can provide 3 servers connect to M4240H simultaneously to share the pooled storage.

High Scalability and Capacity

With total 3 sets of M4240H daisy chained, the solution can scale up to 72 disk drives, equipped with 4TB drives, can support up to 288TB in a single storage farm which can meet most of the application capacity demand in Small-and-Medium Business (SMB) and Enterprise environment.


Form Factor 4U Rack Mount
Dimensions w/o Cable ARM (WxHxD, inch)
17.52 x 6.88 x 21.93
w/o Cable ARM (WxHxD, mm)
445 x 174.75 x 557.02
Weight w/o HDD
64.53 lb. (29.33kg)
Controller Module 2x Hot-swappable SAS Interface Modules (SIM)
External I/O Ports 3x 6Gb/s mini-SAS ports per SIM
Storage 24x 3.5" and 2.5" SASII and SATAII hot-pluggable HDDs with dual-port access. (SATA drive requires optional Active-Active MUX)
Management Port 1x RJ11 management port
Expansion Support Scalable up to 72x HDDs in cascading 3) M4240H
Power Supply 2x 760W redundant power supplies, input requirements 88 - 264V AC
Fan Total 2+2 redundant in the system, 2x fans in each power supply module
LED Indicators Power LED
System ID/ Status LED
HDD Active and ID/ Status LED
Operating Environment Operating Temperature: 0C to 40C (32F to 104F)
Humidity: 50% to 93% relative humidity
Altitude: 40C / 3200 Meter
Shock : 31G@2.6ms, half-sine shock
Operational Vibration: 0.26Grms random vibration 5~350Hz