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Internal ssd comparison

Lexar NM620 vs 2TB WD SN850X NVMe SSD

Compare key specifications, features and design side by side.

Compared products
01Selected
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
02
2TB WD Black SN850X NVMe SSD

2TB WD Black SN850X NVMe SSD

  • Storage capacity: 2TB.
  • Endurance: 1200 TBW.
KSh 25,000Out of Stock

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2 spaces available

WD_BLACK SN7100 1TBKSh 19,500
Lexar NM620 512GB Internal SSDKSh 16,500
Lexar NM610 PRO 500GB Internal SSDKSh 15,500
Lexar NQ780 1TB Internal SSDKSh 24,500
2TB WD BLACK SN850X NVMe SSD with HeatsinkKSh 33,000
PS5 WD BLACK SN850X 2TB with HeatsinkKSh 38,000
4TB WD BLACK SN850X NVMe SSD with HeatsinkKSh 65,000
2 of 4 products

Our quick verdict

Choose the 2TB WD Black SN850X NVMe SSD if you want 2 TB of storage.

This comparison is partial: only 3 of the 12 specifications are published for both products. The 2TB WD Black SN850X NVMe SSD does not list SSD Type, interface / Protocol or Sequential Read / Write.

Storage capacity

Lexar NM620
1TB
2TB WD Black SN850X NVMe SSD
2TB

Endurance

Lexar NM620
500TBW
2TB WD Black SN850X NVMe SSD
1200 TBW

Form factor

Lexar NM620
M.2 2280 NVMe SSD
2TB WD Black SN850X NVMe SSD
M.2 2280

Key differences

The main differences to help you choose.

Lexar NM620

No clear advantage over the 2TB WD Black SN850X NVMe SSD in the published specifications. Check the detailed comparison for features that matter to you.

2TB WD Black SN850X NVMe SSD

  • More storage: 2 TB (vs 1 TB).

What matters most to you?

Choose any priorities

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

3 priorities selected.
How each product answers the selected priorities
PriorityLexar NM6202TB WD Black SN850X NVMe SSD
Storage capacity1TB2TB
Endurance500TBW1200 TBW
Form factorM.2 2280 NVMe SSDM.2 2280

Detailed comparison

Explore the full specifications, section by section.

General

General specifications comparison
SpecificationLexar NM620 1TB Internal SSD2TB WD Black SN850X NVMe SSD
BrandLexarWD

Performance

Performance specifications comparison
SpecificationLexar NM620 1TB Internal SSD2TB WD Black SN850X NVMe SSD
Sequential Read / WriteUp to 3500MB/s read · Up to 3000MB/s write—
Random Read / Write200000 IOPS read · 256000 IOPS write—
Endurance500TBW1200 TBW

Storage

Storage specifications comparison
SpecificationLexar NM620 1TB Internal SSD2TB WD Black SN850X NVMe SSD
Brand / ModelLexar NM620 · LNM620X001T-RNNNG2TB WD Black SN850X NVMe SSD
Storage Capacity1TB2TB
SSD TypeM.2 2280 NVMe SSD—
Form FactorM.2 2280 NVMe SSDM.2 2280
Interface / ProtocolPCIe Gen 3 x4 / NVMe—

Features & Compatibility

Features & Compatibility specifications comparison
SpecificationLexar NM620 1TB Internal SSD2TB WD Black SN850X NVMe SSD
Features / Security3D TLC NAND with shock and vibration resistance—
CompatibilityCompatible M.2 2280 PCIe NVMe slots; an M.2 SATA-only slot is not sufficient—

Physical & Package

Physical & Package specifications comparison
SpecificationLexar NM620 1TB Internal SSD2TB WD Black SN850X NVMe SSD
Dimensions / Weight80 × 22 × 2.25 mm; 9 g—
Warranty / Package60 months · 60 months—

Model-specific details

Model-specific details specifications comparison
SpecificationLexar NM620 1TB Internal SSD2TB WD Black SN850X NVMe SSD
Model-specific details1TB · LNM620X001T-RNNNG — Product series: NM620; Operating temperature: 0°C to 70°C; Storage temperature: -40°C to 85°C—

Similarities

  • Both use M.2 (form factor).

In summary

Choose 2TB WD Black SN850X for more storage.

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