Marquis K919 Specifications.


(K919-N4/T/SR4) Supermicro H12DSi-N6 server board, E-ATX form factor
(K919-N4T/TT/SR4T) Supermicro H12DSi-NT6 server board, E-ATX form factor


Two AMD Epyc processors, up to 64 cores, Socket SP3 (LGA 4094)


AMD Epyc System on Chip (SOC)

Memory Subsystem:

Sixteen (16) 240-pin DIMM banks supporting up to 4TB DDR4-3200 ECC registered memory, 8 memory slots per CPU bank, Eight channel memory bus

Note: Two processors are required to populate more than 8 memory modules.

Graphic Subsystem:

BMC (IPMI) integrated Aspeed AST2600 VGA (DB-15)
ASUS GT710-SL-2GD5-BRK GeForce GT 710, PCI-Express x8, 2GB DDR5, DVI-D, HDMI & DB-15 (analog) ports

Hard Disk Subsystem:

(K919-T/TT) Up to four (4) SATA 3.5in hard drives. These drives can be configured as standalone units or software RAID.

(K919-SR4/SR4T) Up to four (4) SATA or SAS 3.5in hard drives. These drives can be configured as standalone units or hardware RAID.

Storage Controllers:

Onboard 10-port SATA3 6Gbs controller

One (1) M.2 NVMe x4 port

Four (4) NVMe/SATA3 hybrid ports

(K919-N4/N4T) ASUS Hyper M.2 X16 Gen 4 NVMe card, PCI-Express x16 v4.0

(K919-SR4/SR4T) Broadcom 9361-4i SAS3/SATA 12Gbps RAID controller, Broadcom 3108, RAID level 0, 1, 5, 6, 10, PCI-E x8 Gen3

CD-ROM Subsystem:

(K919-N4/N4T) 24X DVD+-RW dual layer optical burner
(K919-T/TT/SR4/SR4T) external 8X DVD+-RW optical burner, USB 2.0 interface

Sound Subsystem:

Built-in HDMI audio (require monitor with HDMI or Display Port connection)

Network Subsystem:

(K919-N4/T/SR4) Onboard Broadcom BCM5720L Dual-port PCI-Express Gigabit Ethernet controller, 1GBase-T, RJ-45
(K919-N4T/TT/SR4T) Onboard Broadcom BCM57416 Dual-port PCI-Express 10Gigabit Ethernet controller, 10GBase-T, RJ-45
Onboard in-band and out-of-band remote server management (IPMI 2.0+KVM) with dedicated LAN port

System Slots:

Three (3) PCI Express x16 (v4.0) slots
Three (3) PCI Express x8 (v4.0) slots

Slot 1 (x8) and slot 2 (x16) require the 2nd processor

System I/O:

One (1) RS-232C 16550 serial port
Two (2) USB 2.0 ports
Two (2) USB 3.0 ports
One (1) DB-15 VGA port
Two (2) RJ-45 Ethernet ports
One (1) RJ-45 Ethernet port (IPMI only)

Keyboard & Mouse:

Logitech Wireless Combo MK345 USB keyboard and Optical mouse


Chenbro SR105 Plus E-ATX Server Chassis

Sample Chassis Images:

Front View

Security locks for the front panel and side panel
850W ATX12V full modular power supply, Platinum Level, 12cm fan
(K919-SR4/SR4T) SAS3 enclosure with four (4) 3.5in trayless hotswap drive bays
One (1) 12cm exhaust fan, ball bearing, 4-pin PWM
One (1) 9cm front fan, ball bearing, 4-pin PWM
One (1) 8cm Drive Enclosure fan, ball bearing
Active CPU heatsink with 4-pin PWM fan
Dimensions: 16.7" (H) x 7.8" (W) x 20.9" (D)

Preinstalled Software:

Fedora, Ubuntu or CentOS 64-bit operating system

Phone: 1.510.249.5900