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Samsung PM981 512GB PCIe 3.0 x4 NVMe M.2 2280

★★★★☆ 4.0 (78)
Capacity 512GB
Form Factor M.2 2280
Interface PCIe 3.0 x4
Read Speed 3,000 MB/s
Samsung PM981 512GB PCIe 3.0 x4 NVMe M.2 2280 ssd
37 Overall Score

No current retailer price

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Snapshot

Pros & Cons

Pros

Cons

  • Below average feature (15th percentile)
  • Below average endurance (15th percentile)
  • Below average user sentiment (29th percentile)
  • Below average capacity (34th percentile)

What owners think

How owner sentiment changed over time

Exclusive

Based on when customers actually wrote their reviews - so you can see whether early praise held up.

Owner sentiment has cooled since launch
72/100Our AI sentiment readmedium confidence · 12 sources · Nov 2026
1★2★3★4★5★Q2 '19: 4.0★ · 1 reviewQ1 '20: 5.0★ · 1 reviewQ2 '20: 5.0★ · 2 reviewsQ3 '20: 5.0★ · 1 reviewQ4 '20: 3.0★ · 1 reviewQ1 '21: 4.0★ · 3 reviewsQ2 '23: 5.0★ · 1 reviewQ2 '24: 4.0★ · 1 reviewQ1 '26: 1.0★ · 1 review112113111Q2 '19Q1 '20Q2 '20Q3 '20Q4 '20Q1 '21Q2 '23Q2 '24Q1 '26
Avg ratingHappy (4-5★)Unhappy (1-2★)Bar height = number of reviews

Based on 12 dated customer reviews, grouped by calendar quarter. Period analysis is in English.

The proof

Performance

Performance Percentiles

Speed 56.1
Random 61.4
Feature 14.6
Capacity 34.2
User Sentiment 28.5
Endurance 14.7
Social Proof 48.7
Affordability 63.7

Specifications

Full Specifications

Drive

Capacity 512
Form Factor M.2 2280
Interface PCIe 3.0 x4
Protocol NVMe
PCIe Generation 3
External No

Performance

Sequential Read (MB/s) 3000
Sequential Write (MB/s) 1800

vs Competition

Spec Samsung PM981 Western Digital Black SN850X Kingston FURY Renegade G5 SFYR2S/4T0 Crucial T500 SanDisk WD_BLACK WDS800T2XHE Seagate FireCuda 530R
Capacity 512GB 4TB 4TB 2TB 8TB 4TB
Form Factor M.2 2280 M.2 2280 M.2 2280 M.2 2280 M.2 2280 M.2 2280
Interface PCIe 3.0 x4 PCIe 4.0 x4 PCIe 5.0 PCIe 4.0 x4 PCIe 4.0 PCIe 4.0 x4
Seq Read 3,000 MB/s 7,300 MB/s 14,800 MB/s 7,400 MB/s 7,200 MB/s 7,400 MB/s
Nand Type - TLC TLC TLC TLC TLC
Dram Cache - true true true true false
Endurance - 2400 TBW 4000 TBW 1200 TBW 4800 TBW 5050 TBW
Compare Compare Compare Compare Compare
Product SpeedRandomFeatureCapacityUser SentimentEnduranceSocial ProofAffordability
Samsung PM981 56.161.414.634.228.514.748.763.7
Western Digital Black SN850X Compare 88.595.28992.594.4889510.7
Kingston FURY Renegade G5 SFYR2S/4T0 Compare 99.498.790.592.5093.486.86.5
Crucial T500 Compare 93.896.598.878.378.482.99519.9
SanDisk WD_BLACK WDS800T2XHE Compare 87.19693.698.1088953.9
Seagate FireCuda 530R Compare 92.696.453.792.564.995.677.36.9

Usage Scores

Overall (37)Budget (66.1)Gaming (34.2)Laptop (44.2)Console (16.7)Portable (10.7)Workstation (36.4)

A full written review is coming soon. The specs, scores, prices and charts above are always up to date.

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