United StatesServer Expansion Cards Unmatched Performance
Maximize your server capabilities with our advanced expansion cards engineered for superior data processing, reliable scalability, and optimized performance in enterprise-level computing environments.
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Hpe Server Expansion Cards (4)
HPE server expansion cards add PCIe connectivity for rack server refreshes using 10GbE, SAS, Fibre Channel, or NVMe interfaces
Dell Server Expansion Cards (0)
Dell server expansion cards upgrade PowerEdge tower and rack platforms with PCIe lanes for 10GbE, SAS, Fibre Channel, or NVMe
Lenovo Server Expansion Cards (15)
Lenovo server expansion cards expand ThinkSystem PCIe slots for virtualization hosts needing 10/25GbE, SAS, Fibre Channel, or NVMe connectivity
Intel Server Expansion Cards (9)
Intel server expansion cards deliver PCIe adapter options for Xeon-based compute refreshes, spanning Ethernet, storage acceleration, or NVMe connectivity
Asus Server Expansion Cards (9)
ASUS server expansion cards add PCIe capabilities for GPU compute workstations and rack nodes, covering 10GbE, SAS, or NVMe adapters
Broadcom Server Expansion Cards (22)
Broadcom server expansion cards provide PCIe network and storage adapters for VMware clusters, including 25GbE NICs and SAS controllers
Synology Server Expansion Cards (8)
Synology server expansion cards add NAS appliance connectivity through PCIe adapters, supporting 10GbE links or M.2 NVMe cache modules
Fujitsu Server Expansion Cards (14)
Fujitsu server expansion cards extend PRIMERGY systems with PCIe adapters for branch data rooms needing SAS, Fibre Channel, or Ethernet ports
Hp Server Expansion Cards (5)
HP server expansion cards add PCIe I/O capacity for ProLiant refresh projects using 10GbE, Fibre Channel, SAS, or NVMe interfaces
120 Matching results
- BEST SELLING
540-BBCB (Intel i350 Four Ports 1GbE BASE-T, rNDC)
4.6 (5)- Expansion Card
- Network Interface Card
- PCIe x4
- PCIe 3.0
- Intel I350
- RJ-45
- 4
Est Value
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- BEST SELLING
A2UL8RISER2 (Intel 2U Riser - riser card)
4.6 (7)- Expansion Card
- Other
- PCIe x16
- N/A
- N/A
- N/A
- N/A
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- BEST SELLING
AXXP3SWX08040 (Intel Switch AIC AXXP3SWX08040 - riser card)
4.9 (7)- Expansion Card
- Other
- PCIe x16
- PCIe 3.0
- Intel Switch Controller
- SFP+
- 8
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- BEST SELLING
AHW1UM2RISER2 (Intel 1U PCIE Riser - riser card)
4.7 (7)- Expansion Card
- Other
- PCIe x16
- PCIe 3.0
- N/A
- N/A
- N/A
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- BEST SELLING
AXXP3SWX08080 (Intel Switch AIC AXXP3SWX08080 - riser card)
4.7 (7)- Expansion Card
- Other
- PCIe x16
- PCIe 3.0
- N/A
- N/A
- N/A
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- BEST SELLING
AXXSTSFPPKIT (Intel Lan Riser Cable Kit - riser card)
4.9 (7)- Expansion Card
- Network Interface Card
- PCIe x1
- PCIe 3.0
- Intel I210
- RJ-45
- 1
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- BEST SELLING
05-50008-02 (MegaRAID 9440-8i - SAS,Serial ATA - PCI Express x8 - 12 Gbit/s - Low Profile MD2 Card - 3000000 h - AS/NZS CISPR 22 - ICES -003 - Class B - EN55022/EN55024 - VCCI V-3 - RRA no 2013-24 & 25 - RoHS,…)
4.7 (6)- Expansion Card
- RAID Controller
- PCIe x8
- N/A
- MegaRAID 9440-8i
- N/A
- 8
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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- BEST SELLING
05-50044-00 (9405W-16e - PCIe - SAS,SATA - Low-profile - PCIe 3.1 - Passive - 4500000 h)
4.7 (6)- Expansion Card
- Storage Controller
- PCIe x16
- PCIe 3.0
- N/A
- N/A
- N/A
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- BEST SELLING
05-50008-00 (9400-16i - PCIe - SAS,SATA - Low-profile - Black,Green,Metallic - 4500000 h - 11.95 W)
4.7 (6)- Expansion Card
- Storage Controller
- PCIe x8
- N/A
- N/A
- N/A
- N/A
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- BEST SELLING
05-50011-00 (MegaRAID 9460-16i - SAS - Serial ATA - PCI Express x8 - 12 Gbit/s - 4096 MB - DDR4 - 2133 MHz)
4.8 (6)- Expansion Card
- RAID Controller
- PCIe x8
- N/A
- MegaRAID 9460
- N/A
- N/A
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- BEST SELLING
05-50077-01 (MegaRAID 9560-8i - SAS - Serial ATA III - PCI Express x8 - 0,1,5,10,50,60,JBOD - 12 Gbit/s - DDR3 - EN55022 - EN55024 - EN60950 - EN 61000-3-2 - EN 61000-3-3; FCC Class A - Class B; UL1950; UL; CSA…)
4.8 (6)- Expansion Card
- RAID Controller
- PCIe x8
- N/A
- LSI MegaRAID 9560-8i
- N/A
- 8
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- FEARURED
05-50054-00 (MegaRAID P411W-32P NVMe SSD 16PCIE Gen 4.0 - Storage server - EN 60950)
4.7 (6)- Expansion Card
- Storage Controller
- PCIe x16
- PCIe 4.0
- MegaRAID P411W
- N/A
- N/A
Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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- FEARURED
05-25420-10 (MegaRAID SAS 9361-4i - SAS,Serial ATA - PCI Express x8 - 12 Gbit/s - 1024 MB - DDR3 - 1866 MHz)
4.7 (6)- Expansion Card
- RAID Controller
- PCIe x8
- PCIe 3.0
- MegaRAID SAS 9361
- N/A
- 4
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05-25420-17 (MegaRAID SAS 9361-8i (2G) - SAS - Serial ATA - PCI Express x8 - 12 Gbit/s - 2048 MB - DDR3 - 1866 MHz)
4.3 (6)- Expansion Card
- RAID Controller
- PCIe x8
- PCIe 3.0
- LSI SAS 3108
- N/A
- 8
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- FEARURED
05-50011-02 (BROADCOM MegaRAID 9460-8i - SAS - Serial ATA - PCI Express x8 - 12 Gbit/s - 2048 MB - DDR4 - 2133 MHz (05-50011-02))
4.8 (6)- Expansion Card
- RAID Controller
- PCIe x8
- PCIe 3.0
- BROADCOM MegaRAID 9460
- N/A
- 8
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- FEARURED
05-26106-00 (MegaRAID SAS 9341-8i - Speichercontroller Raid - Raid controller - Serial Attached SCSI (SAS))
4.8 (6)- Expansion Card
- RAID Controller
- PCIe x8
- PCIe 3.0
- MegaRAID SAS 9341
- N/A
- 8
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451871-B21 (HP BLc QLogic QMH2562 8Gb FC HBA Opt)
5 (5)- Expansion Card
- Other
- PCIe x8
- PCIe 3.0
- QLogic QMH2562
- N/A
- 2
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456972-B21 (HP BLc Emulex LPe1205 8Gb FC HBA Opt)
4.4 (5)- Expansion Card
- Storage Controller
- PCIe x8
- PCIe 3.0
- Emulex
- N/A
- 2
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700066-B21 (KIT HP FLEXFABRIC 20GB 2-PORT 630FLB ADAPTER FLEXIBLELOM)
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684214-B21 (HP ETHERNET 10GB 2PORT 560FLB FIO ADAPTER)
4.2 (5)Est Value First-Time Buyer Discount – Get up to 2% additional off on your first order
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Questions & Answers
What is a server expansion card?
A server expansion card is a plug-in hardware module that adds or enhances server capabilities—such as network, storage, GPU or RAID functions—via PCI Express (PCIe) or other onboard slots.
What types of expansion cards can I install in my server?
Common server expansion cards include network interface cards (NICs), storage controllers (HBA/RAID), GPU accelerators, Fibre Channel adapters and SSD/NVMe host bus adapters for bandwidth, redundancy and specialized compute tasks.
How do I choose the right server expansion card?
Select a card based on your workload requirements—check interface (PCIe generation), throughput, port count, driver support and compatibility with your server’s motherboard, power budget and operating system.
How can I verify compatibility between a server expansion card and my motherboard?
Confirm compatibility by matching the card’s interface (e.g., PCIe x8/x16), form factor (full-height/low-profile), BIOS/firmware support and available lane count with your server’s specifications.
What is the difference between PCIe x8 and PCIe x16 expansion cards?
PCIe x16 provides double the lane count and bandwidth of PCIe x8, offering up to 16 GT/s per lane versus 8 GT/s, which matters for high-performance network, storage and GPU workloads.
Can I install multiple expansion cards in a single server?
Yes—as long as your server has available slots and sufficient PCIe lanes, power delivery and cooling capacity, you can install multiple cards for layered functionality.
How do I install a server expansion card safely?
Power down the server, disconnect power cables, discharge static, insert the card firmly into the correct slot, secure it with screws, reconnect power and boot up to install drivers.
How do I update drivers for a server expansion card?
Download the latest driver package from the manufacturer’s website, run the installer or update through your OS’s device manager and reboot to apply changes.
What performance benefits do server expansion cards deliver?
Expansion cards offload processing tasks from the CPU, boost I/O throughput, reduce latency and enable specialized functions—improving overall server efficiency and scalability.
What is an HBA card and when should I use one?
A Host Bus Adapter (HBA) connects servers to storage devices (SAS/SATA), offering direct block-level access for high-speed, reliable data transfer in SAN or DAS environments.
How does a RAID controller card enhance data protection?
A RAID controller card manages multiple drives as logical arrays, providing redundancy (RAID 1/5/6/10), improved read/write performance and cache-based write acceleration for data integrity.
Can I add GPU expansion cards to a standard server?
Yes, if your server supports PCIe Gen3/Gen4 slots, provides sufficient power connectors and has adequate cooling, you can install GPU cards for AI, machine learning or visualization.
What cooling considerations apply to server expansion cards?
Ensure proper airflow by maintaining slot spacing, using high-efficiency fans or blower modules and monitoring card temperatures to prevent thermal throttling or hardware failure.
How does expansion card form factor affect server compatibility?
Form factors (full-height vs. low-profile) determine physical fit in server chassis, while PCIe generation and lane width impact performance—verify both before purchase.
What power requirements should I consider for high-performance expansion cards?
Check each card’s TDP, auxiliary power connector needs (6-pin/8-pin) and ensure your server PSU can supply adequate wattage without exceeding power or thermal limits.
What warranty and support should I look for with server expansion cards?
Choose cards backed by multi-year warranties, firmware updates and 24/7 technical support from reputable vendors to ensure long-term reliability and rapid issue resolution.