Samsung PM863a 1.92TB Enterprise SATA SSD

Product Overview

• Manufacturer: Samsung Electronics

• Part Number (P/N): MZ7KM1T9HAJM-00005 (MZ-7KM1T90)

• Model Series: PM863a Series

• Device Type: Enterprise Solid State Drive (SSD)

• Target Workloads: Read-Intensive Data Center Applications (CDNs, Streaming Services, Web Servers, Database Indexing)

Key Technical Specifications

Feature / Metric	Technical Details
Capacity	1.92 TB (1,920 GB)
Form Factor	2.5-inch (7mm depth)
Interface	SATA III (6.0 Gb/s)
NAND Flash Memory	Samsung 3D V-NAND TLC (3-bit MLC)
Controller	Samsung Mercury / Controller Family
Endurance Rating	~1.3 DWPD (Drive Writes Per Day over 5 years) / ~2,800 TBW
MTBF	2,000,000 Hours
UBER (Uncorrectable Bit Error Rate)	1 sector per $10^{17}$ bits read

Performance Profile

Operation	Performance Metric
Sequential Read (128 KB)	Up to 520 MB/s
Sequential Write (128 KB)	Up to 480 MB/s
Random Read (4 KB)	Up to 97,000 IOPS
Random Write (4 KB)	Up to 24,000 IOPS

Enterprise Features & Reliability

• Power Loss Protection (PLP): Integrated tantalum capacitors prevent data corruption during unexpected power outages by flushing in-flight cached data to NAND flash.

• End-to-End Data Protection: Ensures data integrity across the entire data path from host interface to NAND flash.

• Thermal Throttling / Protection: Dynamic Thermal Guard monitors and manages drive temperature to prevent thermal damage under heavy continuous loads.

• Encryption Support: AES 256-bit Hardware Encryption (TCG Enterprise compliant).

• S.M.A.R.T. Support: Advanced self-monitoring, analysis, and reporting technology configured for enterprise server telemetry.

Power Consumption & Physical Specs

• Active Read/Write Power: ~2.5 W – 3.0 W

• Idle Power: ~1.3 W

• Input Voltage: $5\text{V} \pm 5\%$

• Dimensions: $100.20 \times 69.85 \times 6.80\text{ mm}$

• Weight: Max 60 grams