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UCSB-MLOM-40G-04
Cisco UCSB-MLOM-40G-04 VIC 1440 1-Port 40G mLOM Virtual Inte...
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UCSB-MLOM-40G-04 is a Cisco UCS VIC 1440 mLOM Virtual Interface Card with one internal 40 Gbps or 4 x 10 Gbps Ethernet/FCoE connection for UCS B200 M6, UCS B200 M5 and UCS B480 M5 blade servers. The Cisco UCS B200 M6 network adapter uses the mLOM connector and presents NIC or HBA interfaces to the host through the service profile. The internal connection runs to UCS-IOM-2408, UCS-IOM-2304, UCS-IOM-2208 or UCS-IOM-2204 and then to the fabric interconnect. UCSB-VIC-M84-4P is the Cisco UCS VIC 1480 rear mezzanine sibling for the same B-Series generations.
UCSB-MLOM-40G-04 price for new stock is is available on request. Get immediate quote. UCSB-MLOM-40G-04 refurb price is $68.24.
Request bulk order quote for UCSB-MLOM-40G-04 for additional pricing. Browse the full Cisco UCS VIC 1400 Converged Network Adapters series or explore all Cisco products.
256 virtual interfaces give the VIC 1440 separate PCIe-presented NIC or HBA functions, with about eight reserved for internal use. PCIe 3.0 x16 is the host interface for the mLOM, and the Cisco UCS custom ASIC handles Ethernet, FCoE, SR-IOV, usNIC, DPDK, NetQueue, VMQ/VMMQ, GENEVE, VXLAN and NVGRE functions. UCSB-MLOM-40G-04 draws 21 W maximum and measures 24.4 mm high, 86.4 mm wide and 148.6 mm deep. 80 Gbps total I/O throughput applies when UCSB-MLOM-PT-01 adds the second native 40 Gbps path. UCS Manager 4.1 adds NVMeoF with RDMA for RoCEv2 on the 1400 series. B200 M6 needs UCSM 4.1(3b) minimum and server firmware 4.2(1d); B200 M5 and B480 M5 need UCSM 4.1(3b) minimum and server firmware 4.1(3b).
New sealed carries up to 3-year extended warranty; certified refurbished carries up to 1 year, and 30 days returns apply to every condition; terms apply. Certified refurbished UCSB-MLOM-40G-04 is inspected and bench-tested in a compatible host. Board, connector and housing are inspected, the adapter is recognized by a compatible host, and every internal port links at rated speed. Specify the mLOM form for B200 M6, B200 M5 or B480 M5, and add UCSB-MLOM-PT-01 only when dual 40 Gbps capability is required. Regional stock and RMA with advance replacement cover UK, EU, US and MEA buyers; PO accepted and Net-30 for government apply.
| Key Specs | Key Spec Values |
|---|---|
Ports | 1 x 40G or 4 x 10G internal |
Fits | UCS B200 M6, B200 M5, B480 M5 |
Lifecycle Status | End of sale since 10 April 2026 |
Form Factor | mLOM, B-Series blade connector |
Technology | Ethernet / FCoE |
Virtual Interfaces | 256 |
A B200 M6, B200 M5 or B480 M5 with a failed mLOM needs the same UCSB-MLOM-40G-04 form factor to restore the VIC 1440 connection. The buyer should match the mLOM slot, blade generation and UCS Manager floor before the PO.
A spare B200 M6 or B200 M5 blade that has no network adapter needs one VIC mLOM adapter before service profile assignment. UCSB-MLOM-40G-04 fits that mLOM requirement and leaves the rear mezzanine connector available for UCSB-MLOM-PT-01 or UCSB-VIC-M84-4P.
A 5108 chassis domain using UCS-IOM-2408 or UCS-IOM-2304 needs the blade adapter, IOM and fabric interconnect release aligned. UCSB-MLOM-40G-04 uses 40 Gbps internal paths, and the buyer should match UCSM 4.1(3b) minimum or the higher fabric floor before the PO.
C-Series rack server slot
UCSB-MLOM-40G-04 is a B-Series blade mLOM adapter. UCS C220 M6 or UCS C240 M6 takes UCSC-M-V100-04 for a 40/100G mLOM choice.
X-Series compute node
UCSB-MLOM-40G-04 does not fit an X210c M6 compute node. The X210c M6 mLOM adapter from the same VIC family is UCSX-V4-Q25GML.
Rear mezzanine VIC requirement
UCSB-MLOM-40G-04 occupies the mLOM position, not the rear mezzanine slot. Use UCSB-VIC-M84-4P when the B-Series build calls for the VIC 1480 mezzanine adapter.
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Avg. response under 30 mins
| UCSB-MLOM-40G-04 |  UCSC-PCIE-C25Q-04 |  UCSC-PCIE-C100-04 |  UCSC-MLOM-C100-04 |  UCSC-M-V100-04 | |
|---|---|---|---|---|---|
| Adapter Type | Virtual Interface Card | Virtual Interface Card | Virtual Interface Card | Virtual Interface Card | Virtual Interface Card |
| Connector Type | Internal | SFP28 | QSFP28 | QSFP28 | QSFP28 |
| Data Rate | 40G | 25G | 100G | 100G | 100G |
| Depth | 148.6 mm | 167.6 mm | 167.6 mm | 146.1 mm | 159.8 mm |
| Form Factor | mLOM | PCIe Card | PCIe Card | mLOM | mLOM |
| Height | 24.4 mm | 13.5 mm | 13.5 mm | 16 mm | 18.8 mm |
| Power Consumption | 21 W maximum | 27.4W maximum | 28W maximum | 28W maximum | 27.9W maximum |
| Width | 86.4 mm | 63.5 mm | 63.5 mm | 94 mm | 101.3 mm |
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UCSB-MLOM-40G-04 is the Cisco UCS VIC 1440 mLOM for B-Series M5 and M6, a modular LAN On Motherboard Virtual Interface Card for blade servers. UCSB marks B-Series, MLOM marks modular LAN On Motherboard, 40G marks the port speed, and 04 identifies this 1400-series orderable card. UCSB-MLOM-40G-04= is the spare form.
UCSB-MLOM-40G-04 fits UCS B200 M6, UCS B200 M5 and UCS B480 M5 blade servers. B200 M6 and B200 M5 require a VIC mLOM adapter. B480 M5 uses rear mezzanine slot 1 as the mLOM connector, and that slot is dedicated to VIC 1440 or VIC 1340 mLOM cards.
A UCS B200 M6 uses UCSB-MLOM-40G-04 as the VIC 1440 mLOM network adapter. The same B200 M6 component set also uses UCSB-MLOM-PT-01 as the port expander and UCSB-VIC-M84-4P as the VIC 1480 rear mezzanine adapter.
UCSB-MLOM-40G-04 provides one internal 40 Gbps or 4 x 10 Gbps Ethernet/FCoE path through the mLOM connector. The host interface is PCIe 3.0 x16, power is 21 W maximum, and dimensions are 24.4 mm high, 86.4 mm wide and 148.6 mm deep.
UCSB-MLOM-40G-04 uses one internal 40 Gbps path or 4 x 10 Gbps mode. The blade side must match the IOM and fabric interconnect mode. UCSB-MLOM-PT-01 adds the second 40 Gbps path when the host build calls for dual native 40G capability.
UCSB-MLOM-40G-04 requires the mLOM connector, and each B200 M6 or B200 M5 blade requires one VIC mLOM adapter. B480 M5 places the mLOM in rear mezzanine slot 1, with rear mezzanine slots 2 and 3 used for other rear mezzanine choices.
UCSB-MLOM-40G-04 needs UCSM 4.1(3b) minimum on UCS B200 M6, UCS B200 M5 and UCS B480 M5. The B200 M6 server firmware floor is 4.2(1d). The B200 M5 and B480 M5 server firmware floor is 4.1(3b). Management uses UCS Manager or Intersight.
UCSB-MLOM-40G-04 works through UCS-IOM-2408, UCS-IOM-2304, UCS-IOM-2208 or UCS-IOM-2204. Fabric interconnect choices for VIC 1440 and VIC 1480 include UCS-FI-6652, UCS-FI-6536, UCS-FI-64108, UCS FI-6454, UCS-FI-6332-16UP, UCS-FI-6332, UCS-FI-6324, UCS-FI-6248 and UCS-FI-6296.
UCSB-MLOM-40G-04 provides Ethernet and FCoE on the VIC 1440 internal connection. RoCEv2 applies to VIC 1400/14000 Series adapters with UCS Manager Release 4.1. The feature set also covers SR-IOV, usNIC, DPDK, NetQueue, VMQ/VMMQ, GENEVE, VXLAN and NVGRE.
UCSB-MLOM-40G-04 is the base part number, and UCSB-MLOM-40G-04= is the spare form for service orders. A -RF code is Cisco-remanufactured when that code is offered, and it is separate from ORM certified refurbished condition. Use the exact PID required by the blade order or service replacement.
UCSB-MLOM-40G-04 is the VIC 1440 mLOM card, while UCSB-VIC-M84-4P is the VIC 1480 rear mezzanine card. Choose UCSB-MLOM-40G-04 when the blade needs its required mLOM adapter. Choose UCSB-VIC-M84-4P when the rear mezzanine position needs the second VIC.
UCSB-MLOM-40G-04 is the VIC 1440 mLOM adapter, while UCSB-MLOM-40G-03 is the VIC 1340 mLOM adapter used in B200 M5 and B480 M5 choices. UCSB-MLOM-40G-04 suits VIC 1400-series builds. UCSB-MLOM-40G-03 suits a like-for-like VIC 1340 replacement.
Cisco stopped selling UCSB-MLOM-40G-04 on 10 April 2026. Cisco has not announced a last date of support for UCSB-MLOM-40G-04. The UCS B-Series blade server line reached end of sale on 31 December 2025 and has end of support on 31 December 2030.
ORM supplies UCSB-MLOM-40G-04 in new sealed and certified refurbished condition. New sealed carries up to 3-year extended warranty; certified refurbished carries up to 1 year. Returns are 30 days on every condition; terms apply. PO accepted, Net-30 for government, and RMA with advance replacement apply.
United States
