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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 |
|---|
Compared with the earlier SSDSA2BW160G3, the SSDSA2BW160G3H is the Postville Refresh revision that moves to 25nm MLC NAND, improving platform maturity and cost efficiency while maintaining the proven 160GB SATA 3Gb/s design point. It is a strong choice for read-centric client and embedded boot workloads that need dependable 270/165 MB/s throughput, up to 39,500/21,000 IOPS, and a defined 20TB endurance profile in a legacy SATA environment.
With a rated endurance of 20 TBW and 0.3 DWPD, the SSDSA2BW160G3H is well suited for typical light-duty and read-heavy workloads such as OS boot, office applications, thin clients, and embedded system storage. In practical terms, for a 160GB system drive used mainly for routine daily operation rather than heavy continuous writing, this endurance level is sufficient for many years of stable service under normal use. For reliability, the drive includes Power Loss Protection (PLP), which helps protect in-flight data and reduce the risk of corruption if power is unexpectedly interrupted. Its UBER rating of 1.0E-16 and MTBF of 1.2 million hours indicate a strong data integrity and dependability profile, giving procurement teams added confidence for business and industrial deployments.
1. The SATA 3Gb/s interface, paired with 270 MB/s sequential read performance, provides a straightforward upgrade for legacy enterprise platforms while accelerating OS boot, log access, and file retrieval.
2. With 39,500 IOPS in random reads, the drive can handle metadata lookups and small-block transactional workloads more efficiently, improving responsiveness in virtualized and database-heavy environments.
3. A 0.3 DWPD endurance rating makes this SSD a practical fit for read-centric enterprise workloads such as boot, web, archival access, and reference-data serving with controlled write intensity.
4. Built on 25nm MLC NAND, the drive offers a stronger balance of reliability, data retention, and cost efficiency than consumer-grade flash for always-on business infrastructure.
5. A typical latency of 75 µs helps reduce storage wait time, supporting faster application response and more predictable performance under multi-user enterprise demand.
Reference capacities in the same series for SSDSA2BW160G3H (160 GB): Lower capacity: 120 GB Higher capacity: 300 GB Capacity positioning analysis: In this series, the 160 GB model sits at the practical sweet spot. Compared with the 120 GB version, it gives noticeably better headroom for OS images, application binaries, logs, swap space, and short-term data growth, reducing the risk of early capacity pressure. Compared with the 300 GB version, it preserves nearly the same enterprise-class read/write and random IOPS behavior while keeping acquisition cost and $/workload more controlled. It is best suited for mid-sized virtualization clusters, such as hosting boot and utility volumes for about 30 to 40 general-purpose virtual machines.
Q: Is SSDSA2BW160G3H suitable for a write-heavy database server?
A: SSDSA2BW160G3H is generally not ideal for write-heavy database workloads. With 0.3 DWPD and 20 TBW, it is better suited for read-intensive, boot, or light mixed-use enterprise applications.
Q: How many full drive writes per day can it actually endure over its warranty period?
A: This model is rated for 0.3 DWPD, meaning it can sustain about 0.3 full drive writes per day during its warranty period, which aligns with its specified 20 TBW endurance rating.
Q: Does it include power loss protection (PLP) and why is that critical?
A: Yes, it includes power loss protection. PLP is critical because it helps preserve in-flight data and metadata during sudden power failure, reducing corruption risk and improving storage reliability.
Q: What RAID level is recommended for this SSD?
A: For this SSD, RAID 1 or RAID 10 is typically recommended when data protection and performance balance are required. RAID choice should still depend on workload, capacity, and redundancy needs.