Weight
- WD_BLACK SN7100
- 5.8 g
- Lexar NM620
- 9 g
Internal ssd comparison
WD_BLACK SN7100 vs Lexar NM620
Compare key specifications, features and design side by side.
01Selected  WD_BLACK SN7100 1TB
KSh 19,500Out of Stock | 02  Lexar NM620 512GB Internal SSD
KSh 16,500In Stock |
|---|
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Lexar NQ780 1TB Internal SSDKSh 24,500
Lexar NM620 1TB Internal SSDKSh 24,000
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2TB WD Black SN850X NVMe SSDKSh 25,000
4TB WD BLACK SN850X NVMe SSD with HeatsinkKSh 65,000
2 of 4 products
Our quick verdict
Choose the WD_BLACK SN7100 if you want a lighter build (5.8 g) and 1 TB of storage.
Features
- WD_BLACK SN7100
- TLC 3D NAND, designed for improved power efficiency
- Lexar NM620
- 3D TLC NAND with shock and vibration resistance
Storage capacity
- WD_BLACK SN7100
- 1TB
- Lexar NM620
- 512GB
Model-specific details
- WD_BLACK SN7100
- 1TB · WDS100T4X0E-00CJA0 — Product series: WD_BLACK SN7100
- Lexar NM620
- 512GB · LNM620X512G-RNNNG — Product series: NM620
Random read / write
- WD_BLACK SN7100
- 1000000 IOPS read · 1400000 IOPS write
- Lexar NM620
- 200000 IOPS read · 256000 IOPS write
Key differences
The main differences to help you choose.
WD_BLACK SN7100
- Lighter: 5.8 g (vs 9 g).
- More storage: 1 TB (vs 512 GB).
Lexar NM620
No clear advantage over the WD_BLACK SN7100 in the published specifications. Check the detailed comparison for features that matter to you.
What matters most to you?
6 priorities selected.
| Priority | WD_BLACK SN7100 | Lexar NM620 |
|---|---|---|
| Features | TLC 3D NAND, designed for improved power efficiency | 3D TLC NAND with shock and vibration resistance |
| Weight | 5.8 g | 9 g |
| Storage capacity | 1TB | 512GB |
| Model-specific details | 1TB · WDS100T4X0E-00CJA0 — Product series: WD_BLACK SN7100 | 512GB · LNM620X512G-RNNNG — Product series: NM620 |
| Random read / write | 1000000 IOPS read · 1400000 IOPS write | 200000 IOPS read · 256000 IOPS write |
| Sequential read / write | Up to 7250MB/s read · Up to 6900MB/s write · Manufacturer maximum | Up to 3500MB/s read · Up to 2400MB/s write |
Tick a topic above to see how each product answers it.
Detailed comparison
Explore the full specifications, section by section.
These products have the same published specifications.
Similarities
- Both have a 5 years warranty.
- Same SSD type: M.2 2280 NVMe SSD.
In summary
Choose WD_BLACK SN7100 for a lighter build and more storage.
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