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Seagate Constellation ES fourth-generation drives are among the highest-capacity drives available and are the only 6Gb/s SAS nearline hard drives on the market. These drives feature enterprise-class reliability and power and performance efficiencies, making them ideal for business-critical, 24x7 multi-drive server and storage environments.Drive specification ST32000644NS
Formatted (512 bytes/sector)* 2TB
Guaranteed sectors 3,907,029,168
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Recording density, KBPI (Kb/in max) 1421
Track density, KTPI (ktracks/in avg.) 240
Areal density, (Gb/in2 avg) 347
Spindle speed (RPM) 7200
Internal data transfer rate(Mb/s max) 1300
Sustained data transfer rate OD(MB/s max) 140
I/O data-transfer rate(MB/s max) 300
ATA data-transfer modes supported PIO modes 0–4Multiword DMA modes 0–2Ultra DMA modes 0–6
Cache buffer 64MB
Height (mm max) 26.1mm (1.028 in)
Width (mm max) 101.6mm (4.000 in) +/- 0.010 in
Length (mm max) 146.99mm (5.787 in)
Weight (max) 710g (1.565 lb)
Average latency 4.16ms
- Enterprise Storage Hard Drive The Seagate Constellation ES enterprise hard drives deliver industry leading reliability, large capacity, and high data transfer rate for 24 x 7, multi-drive, business-critical applications.
- PowerChoice Technology The Seagate Constellation ES hard drives include Seagate PowerChoice technology for even greater on-demand power savings during slow or idle periods.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.