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Internal ssd comparison

1TB WD BLACK SN850X NVMe SSD With Heatsink vs Lexar NM620

Compare key specifications, features and design side by side.

Compared products
01Selected
1TB WD BLACK SN850X NVMe SSD With Heatsink

1TB WD BLACK SN850X NVMe SSD With Heatsink

  • Storage capacity: 1TB.
  • Endurance: 600 TBW (Terabytes Written).
KSh 27,000Out of Stock
02
Lexar NM620 1TB Internal SSD

Lexar NM620 1TB Internal SSD

  • 9 g.
  • Storage capacity: 1TB.
  • 200000 IOPS read · 256000 IOPS write.
  • Endurance: 500TBW.
KSh 24,000In Stock

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2TB WD BLACK SN850X NVMe SSD with HeatsinkKSh 33,000
PS5 WD BLACK SN850X 2TB with HeatsinkKSh 38,000
2TB WD Black SN850X NVMe SSDKSh 25,000
WD_BLACK SN7100 1TBKSh 19,500
4TB WD BLACK SN850X NVMe SSD with HeatsinkKSh 65,000
Seagate Storage Expansion Card for Xbox Series X|SKSh 33,500
Lexar NM620 512GB Internal SSDKSh 16,500
2 of 4 products

Our quick verdict

Lexar NM620 1TB Internal SSD: 9 g.

This comparison is partial: only 4 of the 12 specifications are published for both products. The 1TB WD BLACK SN850X NVMe SSD With Heatsink does not list SSD Type, interface / Protocol or Sequential Read / Write.

Endurance

1TB WD BLACK SN850X NVMe SSD With Heatsink
600 TBW (Terabytes Written)
Lexar NM620
500TBW

Form factor

1TB WD BLACK SN850X NVMe SSD With Heatsink
M.2 2280
Lexar NM620
M.2 2280 NVMe SSD

What matters most to you?

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How each product answers the questions buyers ask most. Tick a topic to add it, untick one to hide it.

2 priorities selected.
How each product answers the selected priorities
Priority1TB WD BLACK SN850X NVMe SSD With HeatsinkLexar NM620
Endurance600 TBW (Terabytes Written)500TBW
Form factorM.2 2280M.2 2280 NVMe SSD

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
Specification1TB WD BLACK SN850X NVMe SSD With HeatsinkLexar NM620 1TB Internal SSD
BrandWDLexar

Performance

Performance specifications comparison
Specification1TB WD BLACK SN850X NVMe SSD With HeatsinkLexar NM620 1TB Internal SSD
Endurance600 TBW (Terabytes Written)500TBW
Sequential Read / Write—Up to 3500MB/s read · Up to 3000MB/s write
Random Read / Write—200000 IOPS read · 256000 IOPS write

Storage

Storage specifications comparison
Specification1TB WD BLACK SN850X NVMe SSD With HeatsinkLexar NM620 1TB Internal SSD
Brand / Model1TB WD BLACK SN850X NVMe SSD With HeatsinkLexar NM620 · LNM620X001T-RNNNG
Storage Capacity1TB1TB
Form FactorM.2 2280M.2 2280 NVMe SSD
SSD Type—M.2 2280 NVMe SSD
Interface / Protocol—PCIe Gen 3 x4 / NVMe

Features & Compatibility

Features & Compatibility specifications comparison
Specification1TB WD BLACK SN850X NVMe SSD With HeatsinkLexar NM620 1TB Internal SSD
CompatibilityPC (Windows 10+) & PlayStation 5Compatible M.2 2280 PCIe NVMe slots; an M.2 SATA-only slot is not sufficient
Features / Security—3D TLC NAND with shock and vibration resistance

Physical & Package

Physical & Package specifications comparison
Specification1TB WD BLACK SN850X NVMe SSD With HeatsinkLexar NM620 1TB Internal SSD
Dimensions / Weight—80 × 22 × 2.25 mm; 9 g
Warranty / Package—60 months · 60 months

Model-specific details

Model-specific details specifications comparison
Specification1TB WD BLACK SN850X NVMe SSD With HeatsinkLexar NM620 1TB Internal SSD
Model-specific details—1TB · LNM620X001T-RNNNG — Product series: NM620; Operating temperature: 0°C to 70°C; Storage temperature: -40°C to 85°C

Similarities

  • Both have 1 TB of storage.
  • Both use M.2 (form factor).

In summary

1TB WD BLACK SN850X and Lexar NM620 are closely matched on the features compared here.

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