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iSCSI Throughput

MB/s	25 GbE x 6	25 GbE x 1
Write	11023.9	2953.18
Read	17612.2	2945.68

(Unit: MB/s)

iSCSI IOPS

IOPS	25 GbE x 6	25 GbE x 1
Write	385934	163051
Read	1146020	325204

(Unit: IOPS)

SMB Throughput

MB/s	25 GbE x 6	25 GbE x 1
Write	17643	2954.02
Read	17211.1	2953.88

(Unit: MB/s)

SMB IOPS

IOPS	25 GbE x 1	25 GbE x 6
Write	369252	338790
Read	256460	1219140

(Unit: IOPS)

Tested in QNAP Lab. Figures could vary by environment.

OS: Microsoft Windows Server 2019
Spec: Intel® Core™ i7-7700 (4C/8T) , 32GB RAM, QNAP 10GbE/25GbE/100GbE Network Expansion Card

OS: QTS 4.5.x & 5.0.0
RAID Volume: RAID 50 (8 bay and above), RAID 5 (4 bay to 6-bay), RAID 1 (2 bay), Single (1 bay)
SSD / HDD : Fully populated, Samsung 860 EVO 1TB SATA SSD / Seagate ST1000NM0033 1TB HDD / Samsung PM9A1 960GB M.2 NVMe PCIe Gen4 / Samsung PM9A3 (MZQL2960HCJR-00A07) 960GB U.2 NVMe PCIe Gen4
2.5GbE & GbE: built-in Ethernet ports
Network Interface Card: 10GbE: QNAP Dual-port 10 Gigabit Network Expansion Card (LAN-10G2T-U or LAN-10G2SF-MLX)
Network Interface Card: 25GbE: QNAP Dual-port 25 Gigabit Network Expansion Card(QXG-25G2SF-CX6)
Network Interface Card: 100GbE: QNAP Dual-port 100 Gigabit Network Expansion Card(QXG-100G2SF-E810 or QXG-100G2SF-CX6)

100 GbE: connected to 4 client PC(s) directly (MTU 9000; Trunking Mode: IEEE 802.3ad)
25 GbE: connected to 8/6/4/2/1 client PC(s) directly (MTU 9000; Trunking Mode: IEEE 802.3ad)
10 GbE: connected to 4/2/1 client PC(s) directly (MTU 9000; Trunking Mode: IEEE 802.3ad)
2.5 GbE: connected to 4 client PC(s) directly (MTU 9000; Trunking Mode: IEEE 802.3ad)
1 GbE: connected to 4/2/1 client PC(s) via Cisco® Catalyst® 2960 Series Switch; (MTU 1500; Trunking Mode: IEEE 802.3ad)

AJA system performance tester lite 12.4.3; 1920x1080 HD-1080P resolution; 64 GB file; 10 bit RGB Codec
BlackMagic Disk speed test 3.3