2025 NVME Disk Speed Test

# tool
sudo apt install nvme-cli

# mytest 01 3.6 GB/s Samsung SSD 990 EVO 1TB HKD$500
native Asus onboard nvme
sudo nvme list
Samsung SSD 990 EVO 1TB
$ time dd if=/dev/zero of=testfile bs=16k count=128k
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 0.599403 s, 3.6 GB/s
# if promox ubuntu pcie device passthrough, also 3.8GB/s. no loss.

harddrivebenchmark says 4,547 MBytes/Sec

# mytest 02 112 MB/s FreeNas NVME HKD$430
NVME over FreeNAS and TPLINK 1Gbe Switch
sudo nvme list
ADATA SX8200PNP
$ time dd if=/dev/zero of=/mnt/ricky/testfile bs=16k count=128k
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 19.0907 s, 112 MB/s

# mytest 03 3.9 GB/s Crucial 1TB

Crucial 1TB attached to Z790M-PLUS M.2_3 PCIe 4.0
sudo nvme list
CT1000P3PSSD8
$ time dd if=/dev/zero of=testfile bs=16k count=128k
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 0.545956 s, 3.9 GB/s

harddrivebenchmark says 4,214 MBytes/Sec

# mytest 04 2.0 GB/s INTEL SSDPEKKF256G8L

2147483648 bytes (2.1 GB, 2.0 GiB) copied, 0.545956 s, 3.9 GB/s

3900x Mortar Max B450
sudo nvme list
INTEL SSDPEKKF256G8L
$ time dd if=/dev/zero of=testfile bs=16k count=128k

harddrivebenchmark says 2,430 MBytes/Sec

# mytest 05 292 MB/s WDC WD30PURX 3TB SATA

2147483648 bytes (2.1 GB, 2.0 GiB) copied, 7.36371 s, 292 MB/s

78P6ZY0 89P6ZY0

# test

TEST: Samsung 990 EVO 1TB M.2 SSD
Read speed 5000 MB/s
Write speed 4200 MB/s
Interface PCIe 4.0 x4

TEST: ADATA XPG SX8200 Pro 1TB M.2 SSD
Read speed 3500 MB/s
Write speed 2800 MB/s
Interface PCIe 3.0 x4

# Network

1 Gbps = 125 MB/s
2.5 Gbps = 312.5 MB/s
10 Gbps = 1250 MB/s = 1.25 GB/s
25 Gbps = 3125 MB/s = 3.125 GB/s
40 Gbps = 5000 MB/s = 5 GB/s

# NVME

https://ssd-tester.com/m2_ssd_test.php?sort=&sort_interface=PCIe+5.0+x4

The following speed transfer rates are possible: Theoretical Practical

SATA 3 6 GBit/s (=750 MB/s) ~550 MB/s
PCIe 2.0 x2 10 GBit/s (=1.250 MB/s) ~800 MB/s
PCIe 2.0 x4 20 GBit/s (=2.500 MB/s) ~1,600 MB/s
PCIe 3.0 x2 16 GBit/s (=2.000 MB/s) ~1,600 MB/s
PCIe 3.0 x4 32 GBit/s (=4.000 MB/s) ~3,500 MB/s
PCIe 4.0 x4 64 GBit/s (=8.000 MB/s) ~7,500 MB/s
PCIe 5.0 x4 128 GBit/s (=16.000 MB/s) ~15,000 MB/s