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Dell PowerVault DAS
PowerVault MD1220

Maximize your IT budget with refurbished or used Dell PowerVault MD1220 storage. The Dell PowerVault MD1220 direct-attached storage is the second generation of our energy efficient, small form factor (SFF), 2.5-inch drive expansion enclosure. The PowerVault MD1220 offers seamless expansion for PowerEdge servers and Dell Storage arrays while providing the Input/Output operations per second (IOPs) needed to satisfy performance-intensive applications. The PowerVault MD1220 can deliver the speed, performance and reliability to satisfy data-hungry, performance-intensive, singleserver applications that store active and frequently changing information.

6Gbps SAS: Twice the throughput of the previous generation of direct-attached storage, the PowerVault MD1220 can satisfy even the most performance-intensive applications such as web, database and email hosting
Solid-state drives (SSD): Pair the increased IOPs and throughput of 6Gbps SAS with support for SSDs for an ideal solution for applications that rely on random-block access
Automatic I/O load balancing: Further optimizing the performance of the PowerVault MD1220, the PERC H810 HostRAID adapter has automatic I/O load balancing to detect when a single path starts to get saturated and balances the I/O traffic across both paths

Dell PowerVault MD1220

Technical Specifications

Drives:	Up to twenty-four (24) 2.5-inch hot-pluggable SAS HDDs at 7.2K, 10K, 15K RPM and SAS solid-state drive (SSDs)
Drive Options:	2.5” 6Gbps SAS: HDD 15K – 146GB, 300GB, 600GB HDD 10K – 300GB, 600GB, 900GB, 1.2GB HDD 10K 512e – 1.8TB HDD 7.2K – 500GB, 1TB SSD – 200GB, 800GB value SLC; 400GB mainstream SLC; 800GB RI MLC; 200GB, 400GB WI SLC; 2TB eMLC 2.5” 12Gbps SAS: HDD 15K – 600GB HDD 7.2K NL-SAS 512e – 2TB SSD – 200GB, 400GB, 800GB 1.6TB MU MLC SSD – 200GB, 400GB, 800GB WI MLC SSD – 800GB, 1.6TB RI MLC
Maximum capacity per enclosure:	Up to 48TB when using 24 x 2TB NL-SAS 2.5” HDDs
Expansion capabilities:	PERC H810 enables expansion to 8 enclosures, 4 per port
Host Connectivity:	Unified mode: Unified mode (single path) for daisy chaining of up to 8 enclosures per PERC H810 (4 enclosures per port, single path) Unified mode (recommended redundant path) for daisy chaining up to 4 enclosures per PERC H810 (4 enclosures connected to both ports via redundant path cabling) Split-mode/dual-host access: Split mode with dual Enclosure Management Modules providing direct connectivity to drives 0 though 11 and a separate connectivity to drives 12 through 23
EMM:	2 EMM provide redundant enclosure management capability
RAID Levels:	0, 1, 5, 6, 10, 50, 60
Back-panel connectors per EMM:	Host connectivity: 1 SAS (SFF 8088) IN connector for connection to the host Expansion connectivity: 1 SAS (SFF 8088) OUT connector for expansion to an additional enclosure Service management: 1 6-pin UART mini-DIN connector (for factory use only)
Power supplies per PSU:	Wattage – also supports DC power: AC – 600 W; DC – 700 W Host heat dissipation: AC – 2047 BTU/hr; DC – 2388 BTU/hr Input voltage range: 100-240 VAC, auto-sensing; 48 V DC Frequency range: 50/60 Hz Amperage: 8.6 A at 100 V, 4.3 A at 240 V
Available hard drive power (per slot):	Up to 1.2A at +5V Up to 0.5A at +12V
Physical Dimensions:	Height x width x depth: 8.7cm (3.39 inches) x 48.2cm (18.8 inches) x 54.1cm (29.1 inches) Weight: 23.31 kg (51 lb) (maximum configuration); 8.61 kg (19 lb) (empty) Rails: Dell ReadyRails™ II static rails for tool-less mounting in 4-post racks with square or unthreaded round holes or tooled mounting in 4-post threaded-hole racks

More information can be found on the official Dell PowerVault MD1220 Data Sheet PDF.

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