Samsung MZ-WLR3T8B 3.84 TB PM1733 NVMe PCIe Gen4 x4 2.5 inch Read Intensive Solid State Drive

General

Brand	Samsung
Model	PM1733
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-WLL3T83

Engineer's Note

Compared with the previous-generation MZ-WLL3T83, the MZ-WLR3T8B moves to a PM1733 PCIe Gen4 x4 platform, delivering up to 7,000/3,800 MB/s and 1.45M/115K IOPS for clearly higher throughput and transaction density in the same 3.84 TB class. Its combination of TLC V-NAND, 1 DWPD endurance, and 7008 TBW makes it a strong fit for latency-sensitive virtualization, scale-out database, and analytics workloads that need sustained enterprise reliability without stepping up to a higher-endurance SKU.

Endurance & Reliability

With an endurance rating of 7008 TBW and 1 DWPD, the MZ-WLR3T8B is designed to handle a full drive write per day across its warranty life, which is more than sufficient for typical enterprise boot, system, and mixed-use workloads. In practical terms, under normal OS, logging, and application storage usage, this level of endurance provides long-term peace of mind and can comfortably support many years of stable operation without endurance becoming a concern. For enterprise reliability, built-in Power Loss Protection (PLP) helps preserve in-flight data and metadata during unexpected power interruptions, reducing the risk of corruption and improving system recovery integrity. In addition, the UBER rating of 1.0E-17 and a 2 million-hour MTBF reflect a high-reliability design, meaning an extremely low likelihood of uncorrectable bit errors and dependable performance in business-critical environments.

Technical Specs & Insights

1. The NVMe PCIe Gen4 x4 interface provides the parallel bandwidth and low software overhead needed to keep modern virtualization hosts, database nodes, and GPU servers fed without creating a storage bottleneck.
2. With 7000 MB/s sequential read performance, this drive accelerates large-block workloads such as data lake scans, backup restores, and AI model loading, cutting wait time for throughput-heavy enterprise applications.
3. Delivering 1,450,000 K random read IOPS, it is well suited for highly concurrent OLTP, VDI, and metadata-intensive environments where fast access to small files directly improves user and transaction responsiveness.
4. Its 1 DWPD endurance profile, backed by TLC V-NAND, strikes a practical balance between fleet-scale capacity efficiency and write durability for mixed-use enterprise deployments running steady daily ingestion and update activity.
5. A typical latency of 95 µs helps minimize tail-response delays, supporting more predictable QoS for latency-sensitive services such as real-time analytics, high-frequency transaction processing, and densely consolidated cloud workloads.

Capacity Sweet

For the same enterprise SSD family as MPN MZ-WLR3T8B (3.84 TB), the nearest lower and higher capacity references are 1.92 TB and 7.68 TB. In this class, sequential read/write performance and random IOPS are typically very close across these three capacities, so the main difference is capacity efficiency and cost per usable TB. At 3.84 TB, this model sits in the sweet spot of the family. Compared with 1.92 TB, it gives much better headroom for data growth, VM density, and longer refresh cycles without changing the performance profile. Compared with 7.68 TB, it avoids overprovisioning budget while still delivering strong usable capacity. That makes it a balanced choice for mid-scale deployments, such as a virtualization cluster hosting about 40 to 60 mixed-workload virtual machines or a compact all-flash database tier.

FAQ