Apexx S3

Providing maximum core count for unparalleled rendering and simulation, the powerhouse APEXX D4 is configurable with dual Intel Xeon processors (up to 56 cores), plenty of hard drives, and up to four professional GPUs*.

Starting Price $8,567.00


  • Dual Intel Xeon SP 2.1 GHz Processors
  • 48GB DDR4-2933MHz
  • NVIDIA Quadro P2000 5GB
  • 512GB SSD M.2 PCle Drive
  • Microsoft Windows 10


Chipset:Intel C621
Socket:Dual (3647)
CPU Cooling:Liquid-Cooled (closed loop)
Processor:Dual Intel Xeon SP 2nd Gen
Core Frequency (GHz):2.7 Base clock / 4.0 Boost clock
Max Configurable Memory:2TB DDR4-2933MHz ECC REG
DIMM Slots:16
Physical PCIe Slots:

6 x PCIe 3.0 (4 x16, 2 x8)

PCIe Lanes per GPU:

Up to 4 GPUs at x16

2.5" Drives:10 (Up to 4TB each)
3.5" Drives:4 (Up to 14TB each)
M.2 Drives:1 (Up to 2TB each)
U.2 Support:No
RAID Support: 0, 1, 5, 10
OCuLink Support:Yes
Max 2.5" / 3.5" Configurations:4 x 3.5" + 2 x 2.5" | or | 10 x 2.5"
Onboard Wi-Fi:N/A
Onboard Bluetooth:N/A
Power Supply:1,300-watt (80 PLUS Gold)
GPU Power Budget (W):800
Chassis Dimensions:

6.85" (17.40cm) W
18" (45.72cm) H
20.2" (51.31cm) D

Front I/O:

2 x USB 3.1
Audio Out/Mic In

Rear I/O:

4 x USB 3.0
2 x Gigabit LAN (1 x IPMI)
1 x VGA
1 x Optical SPDIF Out
2 x USB 3.1 (1 x Type-C)
7.1-Channel HD Audio

Optical Drive:Yes (DVD±RW or Blu-Ray RW)
Rackmount Option:Yes


Most BOXX workstations include a standard three-year limited warranty and legendary BOXX Technical Support. Providing unparalleled hardware and software expertise, our support team is located at company headquarters in Austin, Texas and equipped with the tools and resources necessary to support you and your workflow.

Media Reviews

engineering.com - Aug 27, 2018
What’s in the BOXX? A Review of the APEXX S3 Workstation
"The BOXX APEXX S3 is a powerhouse workstation that’s designed to hold up to demanding CAD applications...easily running applications that bring lesser computers to a grinding halt."

Customer Reviews

It is peace of mind—knowing that when I have a tight deadline, I don’t have to worry about my machine working. That’s a big deal. Or I know if I run into a problem, I can call you guys. I have full confidence in BOXX and that’s a huge deal because you don’t needed added stress on top of everything else and deadlines are always shifting.
Duane Addy, 27-year architect w/over $750 million in projects