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TOSHIBA MG03ACA400 4TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5" Enterprise Hard Drive Bare Drive
- Lowest Cost Per GB Enterprise Storage Option
- 6 Gb/sec SATA
- Error Correction

The MG03ACA Enterprise Capacity HDDs provide large capacity, 7200 RPM performance and 6 Gbps host interface, in a robust design engineered for 24x7 operation. Utilizing industry-standard 3.5-inch 26.1 mm height form factor, these drives seamlessly fit into various storage systems and business critical servers. And Rotational Vibration Technology helps optimize performance and stability in multi-drive environments.
The series is ideally suited for data archives and digital records storage, entry and business critical server and storage systems, disk backup systems - including remote sites for data protection and business continuity, and tiered virtual infrastructure for public and private cloud deployments (IaaS and PaaS).
The MG03ACA series is available in 1TB (MG03ACA100), 2TB (MG03ACA200), 3TB (MG03ACA300) and 4TB (MG03ACA400) to meet your needs.
- Up to 4 TB Capacity
- 7,200 rpm Performance
- 6.0 Gbit/s SATA Interface
- 24x7 Operation
- Enhanced Power Condition State Technology
- Rotational Vibration Technology for Multi-Drive Systems
- Engineered for Mid-Line / Nearline Business Critical Workloads
- Tier 2 Business-Critical Servers and Storage Systems
- Servers Supporting Application Workloads that Benefit from Large Capacity per Spindle
- Capacity-Optimized Data Center Storage Systems
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 1 year
- Limited Warranty period (labor): 1 year
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 60 days
- This item is covered by E.O.L. Tech Inc,. Return Policy
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-877-689-4899
- Support Email: TAEC_SPBU_techhelp@taec.toshiba.com
- Support Website
- View other products from Toshiba
Pros: I ordered 5 for a RAID5 config with the 3ware 9750-8i. They came more securely packaged than any drives I've ever bought (I've bought from most major companies). All 5 worked and have been working for over a week in that RAID5 environment. I get 600Mb/s read speeds and >500Mb/s write speeds in the RAID5 (note: this only works with a true hardware RAID), which tells you that the individual drive speed is about 1/4 of that, since RAID5 read is theoretically (n-1)(speed of the individual drive.)
Cons: They don't come with a manual, but if you know what you're buying, you probably don't need one.
Overall Review: Very cheap for what you are getting. You can't tell unless you are looking at the manufacturer's website, but this drive is not in the same class as drives like the Seagate Barracuda or WD Black. The key specification here is URE rate, which stands for Unrecoverable Read Error rate. The Barracuda and Black and most others in that price range have a URE rate of 1 URE for every 1e14 bits read, which means you can expect 1 URE for every 12ish TBs read from the disk. For this drive, however, the URE rate is 1 URE for every 1e15 bits read, which means that, when filled with data, this drive can be read 100 times before it will have a URE. This is not true for all Toshiba drives, of course. But in order to get this performance from another company, you have to pay about 40% more.