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Samsung 990 Pro 4TB M.2 SSD price drops 27% to $799.90

🔄 Updated 3d ago — new reporting from Tom's Hardware
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Key points

  • 4TB Samsung 990 Pro SSD reduced by 27% to $799.90.
  • Price per gigabyte is approximately 20 cents.
  • Features 7,450 MB/s sequential reads and 6,900 MB/s sequential writes.
  • Uses 236-layer TLC V-NAND in a single-sided M.2 2280 form factor.
  • Samsung released the Portable SSD P9, its first external drive with USB4.
  • The Portable SSD P9 has sequential read speeds up to 4,000 MB/s and write speeds up to 3,800 MB/s.
  • The Portable SSD P9 is offered in 1, 2, 4, and 8TB capacities.
  • The Portable SSD P9 includes a 16-inch braided cable.
  • The Portable SSD P9 features 256-bit hardware encryption.
  • The Portable SSD P9 has a slim 0.3-inch solid shell.
  • Biwin M560 SSD uses the SMI SM2504XT controller.
  • Biwin M560 is a PCIe 5.0 DRAM-less drive.
  • Biwin M560 is available in 1TB and 2TB capacities.
  • Corsair MP700 Pro SE 4TB Gen 5 SSD reduced by $180.
  • Corsair MP700 Pro SE is the cheapest 4TB Gen 5 drive available.
  • Corsair MP700 Pro SE costs 14.5 cents per gigabyte.
  • Corsair MP700 Pro SE has 14,000MB/sec sequential read speeds.
  • Corsair MP700 Pro SE has 12,000MB/sec sequential write speeds.
  • Corsair MP700 Pro SE is a speedier version of the MP700 Pro.

Price Reduction Details

The 4TB Samsung 990 Pro M.2 SSD has seen a price decrease of 27%, bringing its cost down to $799.90 from $1,099. This represents a saving of over $300, resulting in a price of approximately 20 cents per gigabyte.

This reduction occurs during a period where memory and storage prices have generally increased due to factors like the AI boom.

Performance Specifications

The Samsung 990 Pro 4TB is a PCIe Gen 4 drive with maximum sequential read speeds of 7,450 MB/s and sequential write speeds of 6,900 MB/s. Random read/write operations are rated at 1.6 million and 1.55 million IOPS, respectively.

The drive's endurance is rated for 2,400 TBW, and it maintains strong write performance, sustaining 6.2 GB/s for 75 seconds due to its 10GB pSLC cache before dropping to 1.6 GB/s in TLC.

Design and Efficiency

Samsung utilizes 236-layer TLC V-NAND to achieve the 4TB capacity. The drive features a single-sided M.2 2280 form factor, which makes it suitable for systems with limited space.

The 990 Pro also demonstrates power efficiency, delivering 421.1 MB/s per watt, placing it among the leaders in its category.

Updates

🕒 2026-11-03 · new reporting from Tom's Hardware
  • Corsair MP700 Pro SE 4TB Gen 5 SSD reduced by $180.
  • Corsair MP700 Pro SE is the cheapest 4TB Gen 5 drive available.
  • Corsair MP700 Pro SE costs 14.5 cents per gigabyte.
  • Corsair MP700 Pro SE has 14,000MB/sec sequential read speeds.
  • Corsair MP700 Pro SE has 12,000MB/sec sequential write speeds.
  • Corsair MP700 Pro SE is a speedier version of the MP700 Pro.
🕒 2026-11-01 · new reporting from Tom's Hardware
  • Biwin M560 SSD uses the SMI SM2504XT controller.
  • Biwin M560 is a PCIe 5.0 DRAM-less drive.
  • Biwin M560 is available in 1TB and 2TB capacities.
🕒 2026-10-27 · new reporting from Tom's Hardware
  • Samsung released the Portable SSD P9, its first external drive with USB4.
  • The Portable SSD P9 has sequential read speeds up to 4,000 MB/s and write speeds up to 3,800 MB/s.
  • The Portable SSD P9 is offered in 1, 2, 4, and 8TB capacities.
  • The Portable SSD P9 includes a 16-inch braided cable.
  • The Portable SSD P9 features 256-bit hardware encryption.
  • The Portable SSD P9 has a slim 0.3-inch solid shell.

✨ This summary was generated by AI from the outlets' reporting listed below. It is not independently verified and may contain errors — check the original sources. How BrevFeed works →

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How outlets covered it

Corsair has reduced the price of its MP700 Pro SE 4TB Gen 5 SSD by $180, making it the cheapest 4TB Gen 5 drive available. This price drop offers a high-speed storage option at a lower cost per gigabyte compared to other Gen 5 and some Gen 4 SSDs.

The Biwin M560 SSD, featuring the SMI SM2504XT controller, delivers high application and gaming performance with low 4KB random read latency and power efficiency. It is a PCIe 5.0 DRAM-less drive available in 1TB and 2TB capacities, offering an alternative to Phison-based drives in its class.

Samsung has released the Portable SSD P9, its first external drive utilizing USB4 technology, with sequential read speeds up to 4,000 MB/s and write speeds up to 3,800 MB/s. This new drive provides high-speed external storage for professionals, though it comes at a high price point due to current market conditions for flash memory.

The 4TB Samsung 990 Pro M.2 SSD is now available for $799.90, a 27% reduction from its previous price of $1,099. This price drop makes the high-capacity PCIe Gen 4 drive more accessible despite general increases in memory and storage costs.