2025年3月17日 星期一

2025 My Hardware Personal Computer Used

 2025 My Hardware Personal Computer Used


Check
Ubunut
sudo dmidecode -t 2
sudo lsblk -o NAME,FSTYPE,LABEL,MOUNTPOINT,SIZE,MODEL


2025

Intel(R) Core(TM) i9-14900 HKD$4300 @ 2025
24C 32T 65W Single 4411 Multi 46288

ASUSTeK COMPUTER INC.
PRIME Z790M-PLUS
Intel® Z790 Chipset
3x M.2 PCIe 4.0 x4
4x SATA 6Gb/s
1GbE

Samsung SSD 990 EVO 1TB PCIe 4.0 x4 HKD$500 @2025

2021

AMD Ryzen 7 3700x
8C 16T 65W Single 2658 Multi 22494

ASUSTeK COMPUTER INC.
TUF GAMING B550M-PLUS
AMD B550
2x M.2 PCIe 3.0 x4
4x SATA 6Gb/s

ADATA SX8200PNP PCIe Gen3 x4 HKD$580 @2021

2025年3月13日 星期四

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
131072+0 records in
131072+0 records out
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 0.599403 s, 3.6 GB/s

# 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
131072+0 records in
131072+0 records out
2147483648 bytes (2.1 GB, 2.0 GiB) copied, 19.0907 s, 112 MB/s


# 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




2025 My Hardware Personal Computer Used

 2025 My Hardware Personal Computer Used Check Ubunut sudo dmidecode -t 2 sudo lsblk -o NAME,FSTYPE,LABEL,MOUNTPOINT,SIZE,MODEL 2025 Intel(R...