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Ships within 48 hours · Estimated delivery Jul 18 - Jul 23
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Description
ASRock Motherboard SPC621D8-2L2T C621A LGA4189 Single Socket P+ Xeon 256GB DDR4 ATX RetailMPN SPC621D8 2L2T Form Factor ATX Processor System CPU Supports 3rd Gen Intel Xeon Scalable processors Socket Single Socket P+ (LGA 4189) Chipset Intel C621A System Memory Supported DIMM Quantity 8 DIMM slots (1DPC) Supported Type Supports DDR4 288 pin RDIMM, LRDIMM, RDIMM LRDIMM 3DS, Intel OptaneTM Persistent Memory 200 series Max. Capacity per DIMM RDIMM: up to 64GB RDIMM 3DS: up to 256GB LRDIMM: up to 128GB LRDIMM 3DS: up to 256GB DIMM Frequency
MPNSPC621D8-2L2T
Form Factor
ATX
Processor System
CPU
Supports 3rd Gen Intel Xeon Scalable processors
Socket
Single Socket P+ (LGA 4189)
Chipset
Intel C621A
System Memory
Supported DIMM Quantity
8 DIMM slots (1DPC)
Supported Type
Supports DDR4 288-pin RDIMM, LRDIMM, RDIMM/LRDIMM-3DS, Intel OptaneTM Persistent Memory 200 series
Max. Capacity per DIMM
RDIMM: up to 64GB
RDIMM-3DS: up to 256GB
LRDIMM: up to 128GB
LRDIMM-3DS: up to 256GB
DIMM Frequency
max. 3200MHz
Voltage
1.2V
PCIe Expansion Slots (SLOT7 close to CPU)
PCIe x 16
SLOT7: PCIe4.0 x16
SLOT5: PCIe4.0 x16
SLOT3: PCIe4.0 x16
SLOT1: PCIe4.0 x16
Note: SLOT7/5/3 auto-switch to PCIe4.0 x8 when SLOT6/4/2 occupied
PCIe x 8
SLOT6: PCIe4.0 x8
SLOT4: PCIe4.0 x8
SLOT2: PCIe4.0 x8
Other PCIe Expansion Connectors
M.2 slot
1 M-key (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280/2242 form factor
1 M-key (PCIe3.0 x1 or SATA 6Gb/s), supports 22110/2280/2242 form factor
SATA/SAS Storage
PCH Built-in Storage
Intel C621A (8 SATA 6Gb/s RAID 0/1/5/10):
1 Mini-SAS HD, 2 SATA DOM, 2 M.2
Ethernet
Additional GbE Controller
Intel X710-AT2: 2 RJ45 (10 GbE)
Intel i210: 2 RJ45 (1GbE)
Server Management
BMC Controller
ASPEED AST2500
IPMI Dedicated GLAN
1 x Realtek RTL8211E for dedicated management GLAN
Graphics
Controller
ASPEED AST2500
VRAM
DDR4 16MB
Rear I/O
UID Button/LED
1
VGA Port
1 DB15
USB 3.2 Gen1 Port
4 Type-A (USB3.2 Gen1)
RJ45
2 RJ45 (10GbE), 2 RJ45 (1GbE)
Dedicate LAN
1 dedicated IPMI
Internal Connector/Headers
Auxiliary Panel Header
1 (18-pin): chassis intrusion, system fault LED, LAN1/LAN2 activity LED, locate, SMBus
System Panel
1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
COM Header
1
Video output
1
Speaker Header
1
Buzzer
1
Fan Header
5 (6-pin)
Thermal Sensor Header
1
TPM Header
1 (17-pin, LPC), 1 (13-pin, SPI)
VROC header
1
SGPIO Header
1
SMBus header
1
PMB header
1
IPMB Header
1
Clear CMOS
1 (contact pads)
USB 3.2 (Gen1) Header
1 (19-pin, 2 USB3.2 Gen1)
USB 3.2 (Gen2) Header
2 (Type-C, 2 USB3.2 Gen2)
USB 2.0 Header
1 (9-pin, 2 USB2.0)
Type A USB 2.0 Port
1 (Type-A, 1 USB2.0)
NMI Header
1
Power Connector
1 (24-pin, ATX main power), 1 (8-pin, ATX 12V), 1 (4-pin, ATX 12V), 1 (3-pin, SATA power)
ME/SPS Recovery
1
NC-SI
1
LED Indicators
Standby PWR LED 5vsb
1
80 Debug Port LED
1
Fan Fail LED
5
LED Indicators
Standby PWR LED 5vsb
1
80 Debug Port LED
1
Fan Fail LED
5
Hardware Monitor
Temperature
CPU, PCH, MB, Card side Temperature Sensing
Fan
CPU/Rear/Front Fan Tachometer
CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)
CPU/Rear/Front Fan Multi-Speed Control
Voltage
+12V, +5V, +3.3V, CPU Vcore, DRAM, 1.05V_PCH, +BAT, 3.3VSB, 5VSB
Environment
Temperature
Operation temperature: 10oC to 35oC / Non operation temperature: -40oC to 70oC
Humidity
Non operation humidity: 20% to 90% ( Non condensing)
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 22 reviews
Sort
Product Reviews
★★★★★ 5
Better than Kilmat
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Great adhesion, and you can immediately see the sound difference when you rap the area and compared it to another area without it. Also, very easy to cut and apply. Once on, you may not be able to peel it and reposition it, so be sure where you want it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
★★★★★ 3
Not much noise reduction…
Material Type: 157mil Closed Cell Foam, Style: 157 mil 36 SqFt
Easy to install but did not provide much sound dampening…
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 5
Great sound mat for the price!
Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt
This is a good product. Many people go with KILMAT because of the value to price point. I did as well. When you clean the surface (in my case it was all painted metal) this stuff sticks very well. I do recommend you use a seam roller of some type, I used Lumiteco 3 piece roller set. This will help with adhesion and mostly flatten the overlapped edges. It also helps you see where you have rolled as it leaves little grooves. The difference when we had no sound mats and after was very impressive. We haven't finished our install yet and it is quieter than when we had an interior in the van. There are thicker mats available in other brands, but this will work great for our van build, but this helps keep the weight down. It is quality material, just be careful when you are removing the backing, the edge of the foil face can cut you. I suggest you layout where you are installing the mat and cut to fit. From what I have read, you don't need to cover every inch in the vehicle, just spot install for a big difference. I chose to cover most surfaces to help keep sound out when we are sleeping in the van. We haven't finished putting the van yet, but we have driven it around and been very satisfied with this product.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 3, 2025
★★★★★ 5
Excellent sound deadening mats
Style: 80 mil 36 sqft, Style: 80 mil 36 sqft
Purchased these for a 2020 Lexus RX350 due to the hollow sound of the car doors when shutting. They sounded cheap. The mats are super sticky and I applied them when the doors were hot from sitting in the sun. They alubutyl sticks like crazy and the end result was perfect. Now I have solid sounding doors. Good quality product.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Awesome product 👌
Style: 50 mil 50 SqFt, Style: 50 mil 50 SqFt
I love this stuff. I use it alot.
Sticks great
Easy to use
Molds super easy
Really helps with sound. Great product.
I wish I could get sponsored for this product on my projects..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
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