Lexar NM620 512GB M.2 SSD
Here you will find a detailed speed, performance and benchmark test review. Tested was the M.2 NVMe SSD NM620 with 512GB (LNM620X512G-RNNN) from the brand Lexar.
| Technical specifications (manufacturer information) | |
| Product image | 
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| Manufacturer | Lexar |
| Model number | LNM620X512G-RNNN |
| Capacity | 512 GB (477 GiB) |
| pSLC cache | 68 GB approx. |
| Read speed | 3300 MB/s |
| Write speed | 2400 MB/s |
| Interface | PCIe 3.0 x4 |
| Connector | M.2 2280 |
| Memory module (NAND) | TLC |
| DRAM cache | No |
| TBW (Total Bytes Written) | 250 terabyte |
| Controller | Maxio MAP1202 |
Compare product Compared to the test winner*
v0.35a OS: 10.0 build 19045 Drive : 0(NVME) Scsi : 2 Driver : W10 Model : Lexar SSD NM620 512GB Fw : 11099 HMB : 16384 - 16384 KB (Enabled, 16 M) Size : 488386 MB [512.1 GB] LBA Size: 512 AdminCmd: 0x00 0x01 0x02 0x04 0x05 0x06 0x08 0x09 0x0A 0x0C 0x10 0x11 0x14 0x80 0x81 0x82 0x84 0xC1 0xC2 I/O Cmd : 0x00 0x01 0x02 0x04 0x05 0x08 0x09 Firmware id string[080] : r SSD NM620 512GB 11099 [??kpd Project id string[180] : r:/02_Code/01_B47R/Trunk_DVT Controller : Unknown NAND string : MT29Fxx08ExLEE Ch0CE0: 0x2c,0xc3,0x8,0x32,0xea,0x30,0x0 - Micron 176L(B47R) TLC 512Gb/CE 512Gb/die Ch1CE0: 0x2c,0xc3,0x8,0x32,0xea,0x30,0x0 - Micron 176L(B47R) TLC 512Gb/CE 512Gb/die Ch2CE0: 0x2c,0xc3,0x8,0x32,0xea,0x30,0x0 - Micron 176L(B47R) TLC 512Gb/CE 512Gb/die Ch3CE0: 0x2c,0xc3,0x8,0x32,0xea,0x30,0x0 - Micron 176L(B47R) TLC 512Gb/CE 512Gb/die Ch0CE1: 0x2c,0xc3,0x8,0x32,0xea,0x30,0x0 - Micron 176L(B47R) TLC 512Gb/CE 512Gb/die Ch1CE1: 0x2c,0xc3,0x8,0x32,0xea,0x30,0x0 - Micron 176L(B47R) TLC 512Gb/CE 512Gb/die Ch2CE1: 0x2c,0xc3,0x8,0x32,0xea,0x30,0x0 - Micron 176L(B47R) TLC 512Gb/CE 512Gb/die Ch3CE1: 0x2c,0xc3,0x8,0x32,0xea,0x30,0x0 - Micron 176L(B47R) TLC 512Gb/CE 512Gb/die
We put the Lexar NVMe M.2 SSD through a detailed test. You can find the test result / test report here:
AS SSD Benchmark
Standard performance test
The standard test was performed with a 5 GB file. A total score of 2928 points was achieved.
Copy performance test
A common everyday scenario is simulated here. Three test folders are created:
- ISO (folder with two large files)
- Program (folder with many small files)
- Game (folder with small and large files)
The three folders are copied using the Windows copy command (cache remains enabled). The real-world test from 18 July 2024 shows performance during simultaneous write and read operations. The lower the duration, the better.
| AS SSD Copy Benchmark | Transfer rate: | Duration: |
|---|---|---|
| ISO two large files |
2,172.08 MB/s |
1.06 s |
| Program typical program folder with many small files |
1,092.22 MB/s |
6.44 s |
| Game a game folder with small and large files |
1,936.65 MB/s |
3.57 s |
Compression performance test
Here, speed is measured depending on how compressible the data is.
CrystalDiskMark Benchmark
Similar to AS SSD, two sequential and two random performance tests are carried out here and the write and read speed (manufacturer: 3300 MB/s and 2400 MB/s) the Lexar SSD is determined.
| CDM | Read [MB/s] | Write [MB/s] |
|---|---|---|
| SEQ1M Q8T1 |
3,648.85 |
2,695.60 |
| SEQ1M Q1T1 |
2,582.80 |
2,534.93 |
| RND4K Q32T16 |
697.42 |
1,340.26 |
| RND4K Q1T1 |
60.19 |
174.96 |
IOPS (Input/Output operations per second)
| CDM | Read [IOPS] | Write [IOPS] |
|---|---|---|
| SEQ1M Q8T1 |
3,479.80 |
2,570.70 |
| SEQ1M Q1T1 |
2,463.20 |
2,417.50 |
| RND4K Q32T16 |
170,269.00 |
327,211.00 |
| RND4K Q1T1 |
14,695.80 |
42,715.10 |
Average latency
| CDM | Read [µs] | Write [µs] |
|---|---|---|
| SEQ1M Q8T1 |
2,297.42 |
3,106.75 |
| SEQ1M Q1T1 |
405.77 |
413.39 |
| RND4K Q32T16 |
3,003.09 |
1,563.26 |
| RND4K Q1T1 |
67.92 |
23.29 |
HD Tune Pro long-term test
A long-term test was performed to fully utilize the storage. You can see from when a possible cache is full and write performance drops. A test file of 100 GB was written to the medium. After approx. 68 GB, the cache was full and performance was throttled.
The test file could at least be read with an average read speed of 2,353 MB/s and written at 1,218 MB/s.
HD Tune Pro Benchmark
HD Tune writes a 5 GB file to the Lexar NVMe M.2 SSD. The transfer data of the read speed is displayed graphically. The minimum, maximum and average values are also determined. The measured access time and burst rate are also shown.
ATTO Disk Benchmark
Here, a 256 MB file is written to the Lexar NVMe M.2 SSD multiple times. The I/O block size varies (from 512 bytes to 64 megabytes). The larger the blocks, the faster writing and reading usually becomes.
SSD-Z Benchmark
Similar to HD Tune, a 500 MB file is written to the Lexar NVMe M.2 SSD here. The transfer data is displayed. The more consistent the line, the better. Unfortunately, the tool no longer works correctly from around 4,000 MB/s and no line is displayed (and sometimes incorrect min/max data is shown).
You can find information about the test system at the bottom of the homepage.
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