ByteSpeed C621E Workstation

The ByteSpeed C621E Workstation has an Intel C621 motherboard with quad-strength graphics support and 12 DDR4 memory slots. It accommodates up to four dual-width graphic cards with a four true PCIe Gen3 x16 link to unleash maximum graphic performance. It also features next-gen transfer speeds with up to 32Gbps M.2 and U.2, plus up to 10Gbps USB 3.1 Type-A and Type-C connections.

The ByteSpeed C621E Workstation is backed by our excellent ByteSpeed 5-year workstation warranty and free lifetime tech support.


ASUS WS C621E Sage


Intel C621


Inwin 707


Intel Xeon 3106 Bronze 8-Core 1.7GHz
Intel Xeon 4110 Silver 8-Core w/HT 2.1GHz
Intel Xeon 5120 Gold 14-Core w/HT 2.2GHz


Up to 768GB DDR4

# Memory Channels


# RAM Slots



1TB 2.5" 7200 RPM SATA HDD (server grade)
250GB 2.5” SSD (Professional)
500GB 2.5” SSD (Professional)
500GB 3.5” 7200 RPM SATA HDD (Server Grade)

Optane Support?


TPM/PTT Support



Need to add video card:
PNY NVIDIA Quadro P620 2GB
PNY NVIDIA Quadro P1000 4GB
PNY NVIDIA Quadro P2000 5GB


2x Intel 10/100/1000

Operating System

Windows 10 64bit, Server 2019

RAID Configuration

0, 1, 5, 10


(1) PCle x 4
(4) PCle x 16
Back Ports: USB 2.0 x 2, USB 3.1 gen 1 x 4, USB 3.1 gen 2 x1, USB type C x1


5 years
Free Lifetime Tech Support


FREE Imaging of hard disks with custom image, saving you time and money deploy¬ing several machines, as well as reducing deskside setup time. We save your image and deploy it on future systems. This includes your pre-loaded software. We will send you one of the systems from your order in advance for you to set up with your software. We will then replicate the image you send back on the rest of your order.

FREE On-Site Parts Closet

FREE On-site Parts Closet on quantity purchases for same day replacement of critical parts. If you have a bad part, you can immediately replace it with a part from your parts closet. After we are notified, we’ll send you a replacement to replenish your parts closet, as well as a postage-paid return label to mail the bad part back to ByteSpeed.

FREE Asset Tagging

ByteSpeed will affix you asset tag number to your systems (this includes a spreadsheet of corresponding serial numbers to be sent with your order) at no additional cost.

FREE Asset Tagging in BIOS

We will flash your asset tag number in the system BIOS (This can be useful if you use an asset management software).

FREE Custom Bulk Packaging

ByteSpeed’s custom packaging not only reduces shipping costs and transit time (most bulk shipments have two-day transit time using FedEx Freight Priority), but it also enables organizations to deploy IT equipment faster, as well as reduce clutter, waste, storage space, and disposal costs.

FREE Descriptive Labeling

We provide serial number and purchase order number on the box.

FREE MAC Addresses

We can include a spreadsheet of MAC addresses with correspond¬ing the corresponding Bytespeed serial number.

Risk-Free Evals

ByteSpeed offers a 30-Day Risk-Free Evaluation that allows you to test our products and experience our outstanding service and support first hand – no strings attached!

FREE Image Recovery Flash Drive

Contains your image on flash drive to re-image systems with. (You can use this to recover your systems to their original state in minutes

White Glove Service

Our experienced certified technicians can save you time and money by fully pre-configuring and enrolling your Chromebook device prior to shipment.

Customization Options

for computers include laser engraving, UV printing, and digital decals

Flexible Split/Delayed Shipments

We will offer hassle-free, split or delayed ship¬ments upon request (we can deliver these in one shipment or installments).

Flexible Billing Options

ByteSpeed offers flexible billing options, enabling you to split billing into payments that are more convenient for your school district.