Overview



- Second generation of the first 2.5 inch, mainstream capacity, 15mm
z-height, nearline drive for space-constrained data centres
- Choose 6Gb's SAS for data integrity, scalability and fast data access,
or SATA 6Gb's for fast, economical Tier-2/nearline performance
- The industry’s most reliable 7,200 RPM drive, designed for 24×7
operation with an MTBF of 1.4M hours and an AFR of 0.62%
- Enterprise-class firmware and best-in-class rotational vibration
tolerance maximise system availability and performance
- Lowest operating power (under 6.4W) and enhanced PowerChoice™
options for additional power savings during slow or idling periods;
Workload Management™ technology helps systems to keep drives cool
- Self-Encrypting Drive (SED) option (AES-256) cuts IT drive retirement
costs while protecting data securely where it lives — on the drive1
- FIPS 140-2 Validated™ drives protect data classed as Sensitive but
- Unclassified and Protected1




Specification


Technical Description: Seagate Constellation.2 internal hard drive 1 TB 7200 RPM 64 MB 2.5" SAS

Features
Mean time between failures (MTBF):Statistical model used to indicate product/mechanism reliability; expressed in hours and percentage of duty cycle. This number (in hours) does not indicate the mean time before failure for a single unit/mechanism.
1400000 h
Bytes per sector:
512
Average latency:The average duration before a device can start with a job (for example reading a file from a hard disk).
4.16 ms
Read seek time:
8.5 ms
Write seek time:
9.5 ms
HDD interface transfer rate:
6 Gbit/s
Storage drive buffer size:
64 MB
Component for:What this product is used as a part of (component for).
Server/workstation
Type:Characteristics of the device.
HDD
Interface:Interface ports to connect pieces of equipment. USB (Universal Serial Bus) has become the most popular wired interface to connect peripherals. USB 2.0 supports speeds up to 480 Mbit/s (USB 1: 12 Mbit/s). The interface FireWire is also known as the IEEE 1394 standard. Enhanced IDE (EIDE)is sometimes referred to as Fast ATA, Fast IDE or ATA-2.
SAS
HDD size:
2.5"
HDD speed:
7200 RPM
HDD capacity:
1 TB

Operational conditions
Non-operating shock:Environmental requirements for optimal protection from impact in non-operating mode
400 G
Operating shock:Environmental requirements for optimal protection from impact in operating mode
70 G
Non-operating vibration:Environmental requirements for vibration in non-operating mode
3 G
Operating vibration:Environmental requirements for vibration in operating mode
0.5 G
Operating temperature (T-T):The minimum and maximum temperatures at which the product can be safely operated.
5 - 60 °C

Packaging data
Quantity per pack:The amount in each pack.
1 pc(s)

Power
Operating voltage:Defines the range of operating voltages available
5 V
Power consumption (idle):
3.85 W
Power consumption (typical):Amount of power consumed by this model, often expressed in watts (W). Typical values that manufacturers give are power consumption when off, standby/suspended mode, typical use, maximum usage.
6.4 W

Weight & dimensions
Weight:Weight of the product without packaging (net weight). If possible, the net weight is given including standard accessories and supplies. Please note that sometimes the manufacturer leaves out the weight of accessories and/or supplies.
200 g
Depth:The distance from the front to the back of something.
100.5 mm
Height:The measurement of the product from head to foot or from base to top.
15 mm
Width:The measurement or extent of something from side to side.
70.1 mm


Product details


ST91000640SS Seagate

Seagate Constellation.2 internal hard drive 1 TB 7200 RPM 64 MB 2.5" SAS

£56.99 and

SKUST91000640SS

Seagate Constellation.2 internal hard drive 1 TB 7200 RPM 64 MB 2.5" SAS

Quick Code: Q392642 MPN: ST91000640SS
£56.99

Out of Stock