Samsung MZWLR3T8HCLS-00AD3 3.84 TB PM1733a NVMe PCIe Gen4 x4 2.5 inch Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733a
Capacity	3.84 TB
Usage Class	Read Intensive

Interface

Host Interface	NVMe PCIe Gen4 x4
Total Interface Bandwidth	64 Gb/s

Physical Dimension

Form Factor	2.5

Flash & Endurance

NAND Flash	TLC V-NAND
Drive Writes Per Day	1
Total Bytes Written	7008 TBW

Performance

Sequential Read	7000 MB/s
Sequential Write	3800 MB/s
Random Read IOPS	1450000
Random Write IOPS	115000
Average Latency	95 μs

Reliability

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

Part Number

MPN	MZ-WLR3T8B

Engineer's Note

Compared with the previous-generation MZ-WLR3T8B, the PM1733a MZWLR3T8HCLS-00AD3 advances to NVMe PCIe Gen4 x4 and delivers up to 7,000 MB/s sequential read, 3,800 MB/s write, and 1.45M/115K random read/write IOPS, giving latency-sensitive infrastructure a clear bandwidth and transaction-rate uplift. With 3.84 TB of TLC V-NAND and enterprise endurance rated at 1 DWPD / 7,008 TBW, this model is a strong fit for high-throughput virtualization clusters, scale-out databases, and mixed read/write cloud workloads that need Gen4-class performance without moving to a higher-endurance cost tier.

Endurance & Reliability

With an endurance rating of 7008 TBW and 1 DWPD, this SSD can sustain writing its full usable capacity once per day across a standard enterprise duty cycle, providing substantial write headroom for demanding applications. In typical system-disk, boot, logging, or mixed read/write server workloads, this level of endurance translates into many years of reliable operation without endurance becoming a practical concern. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve data in flight and protects metadata integrity if external power is interrupted unexpectedly, reducing the risk of corruption during sudden outages. Its UBER rating of 1.0E-17 indicates an extremely low unrecoverable bit error rate, which is essential for business-critical storage environments where data accuracy, consistency, and long-term dependability are required.

Technical Specs & Insights

1. The NVMe over PCIe Gen4 x4 architecture, paired with top-tier sequential bandwidth, accelerates large dataset streaming, VM boot storms, and AI model loading in performance-critical servers.
2. Its exceptionally strong random-read capability keeps OLTP databases, metadata-heavy file systems, and large-scale virtual desktop environments responsive under heavy concurrent access.
3. The enterprise endurance profile is well suited for read-centric workloads with steady daily writes, giving operators predictable lifespan for caching tiers, analytics nodes, and content delivery infrastructure.
4. TLC V-NAND provides a practical balance of capacity, performance consistency, and cost efficiency, making it a strong fit for scaling enterprise storage without sacrificing reliability.
5. The very low typical latency helps reduce application wait time, improving SLA stability for real-time analytics, transactional systems, and latency-sensitive cloud services.

Capacity Sweet

Lower capacity reference: 1.92 TB Higher capacity reference: 7.68 TB At 3.84 TB, this model sits in the sweet spot of the series. Compared with the 1.92 TB version, it offers much better headroom for dataset growth, longer refresh cycles, and more flexible workload placement without changing the familiar enterprise-class performance profile. Compared with the 7.68 TB option, it delivers a more attractive balance of acquisition cost, usable capacity, and deployment efficiency while keeping similar sequential and random performance. It is especially well suited for medium-scale virtualization clusters, database nodes, or hyperconverged infrastructure requiring strong capacity density without overspending.

FAQ