Samsung 990 EVO Plus 1TB PCIe 4.0 x4 / 5.0 x2 NVMe M.2 SSD — Up to 7,150 MB/s Sequential Read, 6,300 MB/s Sequential Write, Samsung V-NAND TLC, HMB Cache

General Information

• The Samsung 990 EVO Plus 1TB SSD is a high-performance storage solution designed for gaming , content creation , and general high-speed storage needs .
• It supports PCIe Gen4 x4 and PCIe Gen5 x2 compatibility, ensuring backward and forward compatibility with modern and upcoming platforms.
• Utilizes Samsung’s V-NAND TLC (8th generation, 236-layer) memory with HMB (Host Memory Buffer) technology, offering cost-effective performance without onboard DRAM.
• Features AES 256-bit encryption , TCG/Opal 2.0 , and MS eDrive support for secure data handling.

Performance & Speed

• Sequential Read Speed: Up to 7,150 MB/s – ideal for fast file access and boot times
• Sequential Write Speed: Up to 6,300 MB/s – ensures rapid data writes and system responsiveness
• Random Read IOPS (4KB QD32): Up to 850,000 IOPS – enhances multitasking and application performance
• Random Write IOPS (4KB QD32): Up to 1,350,000 IOPS – improves performance in multi-threaded workloads
• Bandwidth:
  • PCIe Gen4 x4 – standard for most current systems
  • PCIe Gen5 x2 – reduced lane count but still offers future-proofing
• Latency Optimization:
  • Optimized for low-latency access with advanced caching and queue management
  • Works well with Windows 11 , macOS , and Linux

Memory & Controller

• NAND Type: Samsung V-NAND TLC 8th generation (236-layer) – high density, durability, and efficiency
• Controller: Samsung in-house controller – ensures stability and performance across various workloads
• Cache: HMB (Host Memory Buffer) – uses system RAM for caching instead of onboard DRAM
• Endurance: 600 TBW – suitable for long-term use in both consumer and professional environments
• MTBF (Mean Time Between Failures): 1.5 million hours – indicates strong long-term reliability

Power Efficiency & Thermal Management

• Active Read Power Consumption: ~4.3 W – efficient during heavy read operations
• Active Write Power Consumption: ~4.2 W – maintains stable performance without excessive power draw
• Idle Power Consumption: ~60 mW – minimal energy use when not in operation
• Device Sleep Power Consumption: Not specified – likely similar to idle consumption
• Thermal Design:
  • No integrated heatsink – relies on motherboard or case airflow for thermal management
  • May be used with heatsinks or cooling armor for additional thermal control

Security & Compatibility

• Security Features:
  • AES 256-bit encryption – protects sensitive data from unauthorized access
  • TCG/Opal 2.0 – full disk encryption support
  • MS eDrive compliant – enhanced security for enterprise and personal use
• Compatibility:
  • Backwards compatible with PCIe 4.0 systems
  • Supports NVMe 2.0 for improved command queuing and performance
  • Fully compatible with Windows 11 , macOS , and Linux
• Operating Temperature Range: 0°C to 70°C – suitable for standard PC environments
• Shock Resistance: 1500G / 0.5ms – durable for mobile and desktop use

Physical Design & Build Quality

• Dimensions: 80.15 x 22.15 x 2.38 mm – compact M.2 form factor
• Weight: ~9 grams – lightweight and portable
• Mounting: Standard M.2 screw mounting for easy installation
• Build Materials: High-quality NAND and controller for long-term reliability
• Heatsink: No included heatsink – requires external cooling if needed for thermal management

Software & Tools

• Samsung Magician Software:
  • Allows monitoring, firmware updates, and performance optimization
  • Includes health diagnostics, TRIM support, and SMART data tracking
• Driver Support:
  • Native support in Windows 11 , macOS , and Linux
  • Requires latest firmware and drivers for full PCIe 4.0/5.0 performance