Intel SSDSC2BA400G301 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	SSDSC2BA400G3

Engineer's Note

The Intel DC S3700 400GB (SSDSC2BA400G301) is a write-optimized SATA SSD built for latency-sensitive databases, logging, and virtualization tiers, combining 10 DWPD endurance, 7.3PBW lifetime writes, and steady 75K/32K random read/write IOPS in a 6Gb/s interface. Compared with the prior SSDSC2BA400G3, the SSDSC2BA400G301 is the later-generation 400GB revision that preserves this class-leading endurance and 500/460 MB/s performance while offering a safer, more current drop-in option for enterprise refresh cycles and long-term fleet standardization.

Endurance & Reliability

With an endurance rating of 7,300 TBW and 10 DWPD, the SSDSC2BA400G301 is built for sustained heavy-write environments far beyond typical system-disk usage. In practical terms, under normal OS, application, logging, and routine enterprise workloads, this level of endurance supports long-term deployment with ample write margin and can comfortably serve as a highly dependable system drive for many years. For enterprise reliability, the drive includes power-loss protection (PLP), which helps preserve in-flight data and metadata during sudden power interruptions, reducing the risk of corruption and unclean shutdown effects. Its UBER of 1.0E-17 indicates an extremely low uncorrectable bit error rate, providing the data integrity level expected in business-critical storage environments.

Technical Specs & Insights

1. The SATA 6Gb/s interface with 500 MB/s sequential read performance provides a stable, broadly compatible upgrade path for enterprise servers and storage arrays, accelerating boot, imaging, and large-file access without requiring PCIe infrastructure changes.
2. With 75,000 IOPS in random read performance, the drive can sustain responsive access to small-block data in virtualization, database, and metadata-heavy workloads, helping reduce application wait time during peak concurrency.
3. Rated at 10 DWPD, this SSD is built for write-intensive enterprise use such as logging, caching, and transactional platforms, enabling consistent daily overwrite cycles with lower replacement risk over its service life.
4. Its 25nm MLC NAND offers a strong balance of endurance, performance consistency, and data integrity, making it well suited for business-critical environments that cannot rely on lower-end client flash.
5. The typical latency of 45 µs helps minimize storage response delay at the device level, supporting faster transaction completion and more predictable QoS for latency-sensitive enterprise applications.

Endurance & Reliability

Lower-capacity reference: 200 GB Higher-capacity reference: 800 GB In the Intel SSD DC S3700 family, the 400 GB model sits at the practical sweet spot. Compared with the 200 GB version, it offers noticeably more headroom for OS images, logs, metadata, and steady application growth, reducing early capacity pressure. Compared with the 800 GB option, it keeps acquisition cost and $/IOPS efficiency more balanced while delivering essentially the same enterprise-class sequential and random performance profile. This makes it especially well suited for mid-scale virtualization clusters, such as hosting boot and application volumes for around 40 to 60 business workloads.

FAQ