Intel SSDSC2BA400G3 400 GB DC S3700 SATA 6Gb/s 2.5 inch 7mm Enterprise/Write-Intensive Solid State Drive

General

Brand	Intel
Model	DC S3700
Capacity	400 GB
Usage Class	Enterprise/Write-Intensive

Interface

Host Interface	SATA 6Gb/s
Total Interface Bandwidth	6 Gb/s

Physical Dimension

Form Factor	2.5 inch 7mm

Flash & Endurance

NAND Flash	25nm MLC
Drive Writes Per Day	10
Total Bytes Written	7300 TBW

Performance

Sequential Read	500 MB/s
Sequential Write	460 MB/s
Random Read IOPS	75000
Random Write IOPS	32000
Average Latency	45 μs

Reliability

Mean Time Between Failures	2 Million Hours
Uncorrectable Bit Error Rate	1.0×10⁻¹⁷
Power Loss Protection	Yes

Part Number

MPN	SSDSC2BA400G301

Engineer's Note

Compared with the earlier SSDSC2BA400G301 revision, the SSDSC2BA400G3 is the stronger refresh choice for write-intensive SATA deployments because it carries forward the DC S3700 platform’s 10 DWPD endurance and 7,300 TBW in a later-generation build better suited to long-life standardization and fleet maintenance. For OLTP databases, logging, and cache tiers, its 25nm MLC NAND, 500/460 MB/s throughput, and 75,000/32,000 IOPS deliver a far more durable sustained-write profile than typical read-centric SATA SSDs in the same capacity class.

Endurance & Reliability

With an endurance rating of 7,300 TBW and 10 DWPD, the SSDSC2BA400G3 is designed for sustained heavy-write enterprise workloads rather than light client use. In practical terms, this level of endurance means it can comfortably serve as a system or application drive for many years under typical server workloads, giving buyers strong confidence in long-term write durability. For enterprise reliability, the drive includes power-loss protection (PLP), which helps preserve in-flight data and metadata if power is suddenly interrupted, reducing the risk of corruption or incomplete writes. Its UBER of 1.0E-17 indicates an extremely low unrecoverable bit error rate, supporting high data integrity and dependable operation in business-critical storage environments.

Technical Specs & Insights

1. The SATA 6Gb/s interface, paired with full-bandwidth sequential reads of 500 MB/s, enables straightforward drop-in deployment across legacy enterprise platforms while accelerating boot, restore, and bulk data access workloads.
2. With random read performance reaching 75,000 IOPS, the drive can sustain responsive service levels for metadata-heavy applications such as virtualization, OLTP, and read-intensive indexing.
3. A 10 DWPD endurance rating makes it well suited for write-intensive enterprise duties, allowing consistent operation under aggressive daily overwrite patterns with lower replacement risk.
4. Built on 25nm MLC NAND, the drive balances stronger program-erase durability and data integrity than consumer-grade flash, making it a dependable fit for always-on datacenter environments.
5. Typical latency of 45 µs helps reduce storage wait time at the application layer, improving transaction responsiveness and tail-latency behavior in performance-sensitive server workloads.

Endurance & Reliability

Lower capacity reference: 200 GB Higher capacity reference: 800 GB At 400 GB, this SSD sits in the sweet spot of the series. Compared with the 200 GB model, it gives much better headroom for OS images, logs, swap, and moderate application growth, reducing early capacity pressure. Compared with the 800 GB version, it usually delivers nearly the same enterprise-class sequential and random performance while keeping acquisition cost and $/workload more controlled. This makes 400 GB a practical choice for mid-scale virtualization, such as hosting boot and utility volumes for about 40 to 60 lightweight virtual machines.

FAQ