Seagate Momentus ST9250827AS 2.5" SATA 250GB 5.4K Hard Drive
- RefurbishedCondition Levels Explained
These products have had NO problems or failures, they merely have some usage. The product has been professionally returned to excellent condition. These items have been fully tested, formatted (if appropriate) &repackaged. Hard drives are fully vetted for surface defects and wear, only healthy disks are approved for resale to our customers. Please see our refurbishing process for more details. Watch a video about our refurbishing process
- Special Order - Ships in 5-10 business daysSpecial Order - Ships in 5-10 business days
This item has a lead time for fulfilment (as listed), this is approximate. Your credit card will be authorized in full on the day of ordering; it will not be charged until the day of shipment.
- 1 Year DiscTechWarrantyProduct Warranties Explained
The product has a DiscTech warranty for the time period specified. View our limited warranty
| Capacity: | 250GB |
| Speed: | 5.4K RPM |
| Interface Types: | SATA |
| Form Factor: | 2.5" x 9mm Fits Most laptops |
| Electrical Interface: | SATA 300 - 3Gbps |
| RAM: | 8MB |
Description
Seagate Momentus ST9250827AS 5400.4 SATA 250GB 5.4K 2.5" Hard Drive - Refurbished OEM
- These drives provide the following key features:
- 5,400-RPM spindle speed.
- 8-Mbyte buffer.
- Quiet operation. Fluid Dynamic Bearing (FDB) motor.
- High instantaneous (burst) data-transfer rates (up to 150 Mbytes per second).
- Perpendicular recording technology provides the drives with increased areal density.
- State-of-the-art cache and on-the-fly error-correction algorithms.
- Full-track multiple-sector transfer capability without local processor intervention.
- 900 Gs nonoperating shock and 325 Gs of operating shock.
- SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
- The 3D Defense System™, which includes Drive Defense, Data Defense and Diagnostic Defense, offers the industry’s most comprehensive protection for disc drives.
- Support for S.M.A.R.T. drive monitoring and reporting.
- Support for Read Multiple and Write Multiple commands.
- Worldwide Name (WWN) capability uniquely identifies the drive
Dell Part Numbers: KW721 0KW721
Specifications
| Drive specification | ST9250827AS | ST9200827AS | ST9160827AS | ST9120817AS |
|---|---|---|---|---|
| Formatted Gbytes (512 bytes/sector)* | 250 | 200 | 160 | 120 |
| Guaranteed sectors | 488,397,168 | 390,721,968 | 312,581,808 | 234,441,648 |
| Bytes per sector | 512 | |||
| Physical read/write heads | 4 | 3 | 2 | |
| Discs | 2 | |||
| Cache (Mbytes) | 8 | |||
| Recording density in BPI (bits/inch max) | 1,180k | |||
| Track density TPI (tracks/inch max) | 173 | |||
| Areal density (Gbits/inch max) | 204 | |||
| Spindle speed (RPM) | 5,400 | |||
| Internal transfer rate (Gbits/sec max) | 778 | |||
| Sustained transfer rate (Mbytes/sec max) | 58 | |||
| I/O data transfer rate (Mbytes/sec max) | 300 | |||
| ATA data-transfer modes supported | SATA 1.0, Serial ATA Revision 2.5 PIO modes 0–4 Multiword DMA modes 0–2 Ultra DMA modes 0–6 | |||
| Height (max) | 9.5 +/- 0.2 mm (0.374 +/- .0078 inches) | |||
| idth (max) 69.85 +/- .25 mm (2.750 +/- .010 inches) | 69.85 +/- 0.25 mm (2.75 +/- 0.0098 inches) | |||
| Length (max) | 100.20 +/- 0.25 mm (3.945 +/- 0.010 inches) | |||
| Weight (typical) | </=102 grams (0.23 lb) | 97 grams (0.21 lb) | ||
| Average latency (msec) | 5.6 | |||
| Power-on to ready (sec typical) | <3.0 | |||
| Standby to ready (sec typical) | <2.0 | |||
| Track-to-track seek time, read (msec typical) | <2.0 (read), <2.5 (write) | |||
| Average seek, read (msec typical) | <12.0 | |||
| Average seek, write (msec typical) | 14.0 | |||
| Startup current, +5V (max) | 1.0 amps | |||
Click here to view the manufacturer's item description/brochure
ROHS Compliant
Alternate MPNs: KW721 0KW721
Weight: 0.5 lb
Warranty: 1 Year DiscTech
Condition
Refurbished
Warranty
1 Year DiscTech Warranty