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| Brand | Intel |
|---|---|
| Model | 320 Series (Postville Refresh) |
| Capacity | 160 GB |
| Usage Class | Enterprise/Value |
| Host Interface | SATA 3Gb/s |
|---|---|
| Total Interface Bandwidth | 3 Gb/s |
| Form Factor | 2.5 inch 7mm |
|---|
| NAND Flash | 25nm MLC |
|---|---|
| Drive Writes Per Day | 0.3 |
| Total Bytes Written | 20 TBW |
| Sequential Read | 270 MB/s |
|---|---|
| Sequential Write | 165 MB/s |
| Random Read IOPS | 39500 |
| Random Write IOPS | 21000 |
| Average Latency | 75 μs |
| Mean Time Between Failures | 1.2 Million Hours |
|---|---|
| Uncorrectable Bit Error Rate | 1.0×10⁻¹⁷ |
| Power Loss Protection | Yes |
| MPN | SSDSA2BW160G3 |
|---|
The Intel SSDSA2BW160G3D 320 Series (Postville Refresh) is a strong choice for read-heavy client and boot-drive deployments, combining 160 GB of 25nm MLC NAND with 270/165 MB/s throughput and 39,500/21,000 IOPS to deliver notably better application responsiveness than typical SATA 3Gb/s drives in its class. Compared with the earlier SSDSA2BW160G3, this refresh brings a more mature Postville platform with better endurance definition at 20 TBW and improved deployment confidence for long-life OEM and enterprise-client use.
With an endurance rating of 20 TBW and 0.3 DWPD, the SSDSA2BW160G3D is well suited for typical light-write workloads such as OS boot, office applications, embedded systems, and read-focused industrial use. In practical terms, for a system-drive scenario with modest daily writes, this level of endurance can comfortably support many years of stable operation, making it a dependable choice for long-life deployments. For reliability, the drive includes Power Loss Protection (PLP), which helps safeguard in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system integrity. Its UBER rating of 1.0E-16, together with a 1.2 million-hour MTBF, indicates a strong data reliability profile designed to minimize unrecoverable read errors and support consistent operation in professional environments.
1. The SATA 3Gb/s interface ensures broad drop-in compatibility with legacy enterprise servers and storage arrays, making refresh projects simpler and lower risk.
2. Sequential read performance of 270 MB/s helps accelerate boot volumes, image distribution, and large-file retrieval in read-focused infrastructure.
3. With 39,500 random read IOPS and 75 µs typical latency, the drive supports fast transaction lookup and more responsive virtualized application workloads.
4. A 0.3 DWPD endurance rating is best suited to read-centric enterprise deployments where predictable reliability matters more than heavy daily overwrite demand.
5. Built on 25nm MLC NAND, the SSD balances stronger data retention and endurance than consumer-grade flash, making it a practical choice for always-on business systems.
Lower capacity reference: 120 GB Higher capacity reference: 300 GB At 160 GB, the SSDSA2BW160G3D sits in the sweet spot of its series. Compared with the 120 GB model, it gives noticeably more headroom for OS images, logs, patch files, and short-term workload growth, reducing the risk of early capacity pressure. Compared with the 300 GB version, it preserves nearly the same enterprise-class responsiveness while keeping acquisition cost and fleet-level budget under tighter control. This makes 160 GB a well-balanced choice for medium-scale server boot pools, branch virtualization hosts, or about 40 to 60 light-to-moderate VDI desktops.
Q: Is SSDSA2BW160G3D suitable for a write-heavy database server?
A: Not ideally. With 0.3 DWPD and 20 TBW, this 160 GB SSD is better suited for read-intensive or light mixed workloads rather than sustained write-heavy database environments.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: It is rated for 0.3 full drive writes per day, which equals about 48 GB of writes daily on a 160 GB drive, subject to the official warranty terms.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP helps preserve in-flight data and metadata during sudden outages, reducing corruption risk and improving data integrity in business-critical systems.
Q: What RAID level is recommended for this SSD?
A: RAID 1 or RAID 10 is typically recommended, depending on capacity and performance needs. These levels provide redundancy and strong recovery characteristics while avoiding heavier parity-write overhead.