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Motherboards with 1 PCIe x16 Slot

All motherboards

5 motherboards with 1 PCIe x16 Slot from ASRock, MSI, GIGABYTE and more. Prices run $630 to $1,426.

All filtersFilters (2)×
PCIe x16 slots: 1  ×SATA ports: 10  ×Clear all
BrandSupermicro5
SocketLGA20113LGA41892
Form factorATX1E-ATX1
Memory typeDDR45
Memory slots83162
Maximum memory2TB21TB1512GB1
PCIe x16 slots15
SATA ports411105233281
Wired LAN1G210G1
ECC memory supportECC memory support4
ChipsetIntel C621A2
PriceUnder $7001Under $8002Under $1,5001$75 & above4$100 & above4$200 & above4$600 & above4
Clear allShow 5 motherboards
PCIe x16 slots: 1  ×SATA ports: 10  ×5 resultsSort byRecommendedSpec scorePrice: low to highPrice: high to low
SupermicroSpec score 9.5

LGA2011, E-ATX, DDR4, 16 Memory slots

+Sixteen RAM slots for large memory configurations
+Ten SATA ports for many storage drives
+E-ATX form factor for expanded board layout
−Single PCIe x16 slot limits expansion cards
−E-ATX form factor needs a larger case
$1,426.10
as of 11/04/2026 07:10 PST - Details
SupermicroSpec score 9.3

LGA2011, DDR4, 16 Memory slots, 1TB

+10G LAN speed for fast networking
+Supports up to 1024 GB of RAM
+Sixteen RAM slots for large memory capacity
−Only one PCIe x16 slot
$748.44
as of 11/04/2026 00:23 PST - Details
SupermicroSpec score 8.8

LGA4189, DDR4, 8 Memory slots, 2TB

+Offers 10 SATA ports for multiple storage drives
+Includes ECC memory support for error-correcting RAM
+Includes 1G LAN networking for wired connectivity
−Uses a proprietary WIO form factor rather than standard ATX
$630.00
as of 11/04/2026 07:10 PST - Details
SupermicroSpec score 8.4

LGA2011, DDR4, 8 Memory slots, 512GB

+ECC memory support for error-checking RAM
+Ten SATA ports for many drives
+1G LAN speed
−Only one PCIe x16 slot
−Supports up to 512 GB of RAM
$788.44
as of 11/04/2026 00:23 PST - Details
SupermicroSpec score 9.2

LGA4189, ATX, DDR4, 8 Memory slots

+Offers 10 SATA ports for multiple storage drives
+Includes ECC memory support for error-correcting RAM
+Single PCIe x16 slot for a full-length expansion card
No price recorded yet.

Compare specs

motherboardSocketForm factorMemory typeMemory slotsPCIe x16 slotsSpec scorePrice
LGA2011E-ATXDDR41619.5$1,426.10
as of 11/04/2026 07:10 PST - Details
LGA2011DDR41619.3$748.44
as of 11/04/2026 00:23 PST - Details
LGA4189DDR4818.8$630.00
as of 11/04/2026 07:10 PST - Details
LGA2011DDR4818.4$788.44
as of 11/04/2026 00:23 PST - Details
LGA4189ATXDDR4819.2No current price

Before you buy

Other PCIe x16 slots options

PC Cases264CPU Coolers393Processors247Data Center GPUs82Graphics Cards371Power Supplies237Memory374Storage Drives577Binoculars228Network Cables1,382Cameras2,556Chromebooks196

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