The Sun SG-XPCI1FC-EM4-Z (SG-XPCI1FC-EM4-Z - Sun SG-XPCI1FC-EM4-Z Fibre Channel Host Bus Adapter - 1 x LC - PCI-X 2.0 - 4.25 Gbps) is a Networking Devices component engineered for sustained enterprise-class workloads. Manufactured to OEM specifications and tested for compatibility with enterprise rack server and data-center deployments, this part addresses common procurement scenarios where exact-match replacement, capacity expansion, or new-build deployment is required. Technical specifications include interface of PCI-X. Common deployment scenarios include data-center ToR (top-of-rack) switching, server-to-storage NAS/SAN connectivity, 10/25/40/100 GbE backbone aggregation, and edge router replacement in branch-office deployments. Pro Disk Network sources the SG-XPCI1FC-EM4-Z through reputable distribution channels and applies a verification check against the OEM compatibility matrix before each unit is added to active inventory. Each unit ships from a US fulfillment hub (Hillsboro OR, Atlanta GA, or Phoenix AZ) with same-day dispatch on in-stock orders before 3pm ET. Net 30 / Net 60 terms available for qualified business, government, and education accounts. 90-day Pro Disk Network functional warranty included; free US ground shipping on orders over $150.
The SG-XPCI1FC-EM4-Z is a Sun networking devices component with interface PCI-X. Pro Disk Network sells the SG-XPCI1FC-EM4-Z for $362.93 with same-day US shipping and a 30-day return guarantee.
Reviewed By
Reviewed by:Pro Disk Network Engineering Team — . Specifications, compatibility, and pricing for the SG-XPCI1FC-EM4-Z verified against the manufacturer datasheet and our internal lab benchmarks.
Quick Answer: Is the SG-XPCI1FC-EM4-Z compatible with my switch?
Pro Disk Network validates every SG-XPCI1FC-EM4-Z against the target switch's published compatibility matrix before shipment. If you let us know your switch model and firmware version, we will confirm fitment and code the module appropriately (Cisco-coded, Juniper-coded, HPE-coded, etc.) at no extra charge.
How fast does the SG-XPCI1FC-EM4-Z ship?
SG-XPCI1FC-EM4-Z orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
The SG-XPCI1FC-EM4-Z is deployed by US enterprises, MSPs, government, and education customers across multiple infrastructure scenarios. Below are the most common deployment patterns Pro Disk Network sees in real-world orders.
Server Uplink — 10G/25G server-to-leaf uplink — pair with matching DAC or AOC at the host NIC to avoid optic mismatch.
DCI (Data Center Interconnect) — Inter-DC routing or aggregation. LR4/LR8 transceivers for 10–80 km, ER4 for 40 km, ZR4 for coherent long-haul.
Campus Distribution — Catalyst-class campus distribution between IDF and MDF closets. PoE+ where wireless APs and IP phones share infrastructure.
Branch / Edge — Smaller form-factor switches and routers for branch sites. SD-WAN-compatible or static-VPN-attached as the architecture dictates.
New, Bulk, or Refurbished — Choosing Your Tier
Pro Disk Network offers the SG-XPCI1FC-EM4-Z across three procurement tiers. Each tier is fully functional and warranted; the choice comes down to budget, warranty length, and whether the deployment is production-critical or capacity-expansion.
Tier
Discount vs OEM List
Warranty
Best For
New (Sealed OEM)
25–40%
Sun manufacturer warranty (1–5 yr)
Production-critical first-tier
New (Bulk OEM)
50–65%
3-year Pro Disk Network warranty
New cluster builds, secondary tier
Refurbished
75–85%
90-day advance replacement
Capacity expansion, lab, dev/test, EOL refresh
Bulk & Volume Pricing for SG-XPCI1FC-EM4-Z
Ships from our US warehouse — same-day US dispatch on orders placed before 3pm ET. Net 30 terms available for verified businesses, government and education.
Volume discounts on the SG-XPCI1FC-EM4-Z are automatic at checkout. Net 30 terms available for verified businesses, government, and education. Email sales@prodisknetwork.com for orders above 100 units.
Quantity
Discount
Unit Price
1
0%
$362.93
5+
4%
$348.41
10+
8%
$333.90
25+
13%
$315.75
50+
18%
$297.60
100+
23%
$279.46
What is the SG-XPCI1FC-EM4-Z?
The SG-XPCI1FC-EM4-Z is a Sun enterprise networking device with interface PCI-X, manufactured by Sun. Pro Disk Network ships this part new and certified-refurbished from our US warehouse with same-day dispatch on orders placed before 3 PM ET, backed by a 30-day return guarantee.
Cisco/Aruba/Juniper-compatible transceivers tested in our lab
Same-day US shipping cuts deployment downtime
Cons
Not for hyperscale ZR coherent — different SKU family
Some vendors deprecate firmware on EOL part numbers
Mismatched optic+switch firmware can require manual override
Frequently Asked Questions about SG-XPCI1FC-EM4-Z
Is the SG-XPCI1FC-EM4-Z a genuine Sun part?
Yes. Pro Disk Network sources every SG-XPCI1FC-EM4-Z as factory-original Sun inventory verified against the manufacturer parts registry before listing. New units arrive sealed in OEM packaging; refurbished units are pulled from decommissioned Sun servers, surface-tested, and re-warranted by Pro Disk Network for 90 days.
Is the SG-XPCI1FC-EM4-Z compatible with my switch?
Pro Disk Network validates every SG-XPCI1FC-EM4-Z against the target switch's published compatibility matrix before shipment. If you let us know your switch model and firmware version, we will confirm fitment and code the module appropriately (Cisco-coded, Juniper-coded, HPE-coded, etc.) at no extra charge.
How fast does the SG-XPCI1FC-EM4-Z ship?
SG-XPCI1FC-EM4-Z orders placed before 3 pm ET ship the same business day from US warehouses. Delivery is next business day to most metro ZIPs via FedEx/UPS overnight; ground delivery covers remaining US in 1-4 business days.
What is the warranty on the SG-XPCI1FC-EM4-Z?
New SG-XPCI1FC-EM4-Z units carry the full Sun manufacturer warranty (typically 1 to 5 years depending on product line). Refurbished and bulk-OEM units include a Pro Disk Network advance-replacement warranty (90 days refurbished, 36 months new bulk). DOA replacement is free within 30 days of receipt.
Do you offer bulk pricing for the SG-XPCI1FC-EM4-Z?
Yes. Pro Disk Network offers automatic volume discounts at 10, 25, 50, and 100+ unit tiers. Net 30 terms are available for verified businesses, government, and education buyers. Email sales@prodisknetwork.com with the quantity and target ship date for a quote within one business day.
Other parts that share the SG series prefix — useful when sourcing matched lots, hot-spare pools, or capacity-tier expansions.
SG-XPCI1FC-EM2 — SG-XPCI1FC-EM2 - Sun LightPulse LP10000 1-Port Fiber Channel 2GB PCI-X Host Bus Adapter — $105.56
SG-XPCI1FC-JN2 — SG-XPCI1FC-JN2 - Sun JNI Single Fibre Channel 2Gb/s PCI Host Bus Adapter for Sun Fire V240 Server — $525.62
SG-XPCI1FC-QF2 — SG-XPCI1FC-QF2 - Sun 1-Port Fibre Channel 2GB PCI Express Host Bus Adapter — $80.81
SG-XPCI1FC-QLC-Z — SG-XPCI1FC-QLC-Z - Sun SG-XPCI1FC-QLC-Z Fibre Channel Host Bus Adapter - 1 x LC - PCI-X 1.0 - 2 Gbps — $382.78
SG-XPCI2FC-EM2 — SG-XPCI2FC-EM2 - Sun StorEdge SG-XPCI2FC-EM2 Enterprise 2Gb Fibre Channel Host Bus Adapter - 2 x - PCI-X - 2Gbps — $105.60
SG-XPCI2FC-EM4-Z — SG-XPCI2FC-EM4-Z - Sun StorageTek Fibre Channel Host Bus Adapter - 2 x LC - PCI-X 2.0 - 4 Gbps — $490.48
SG-XPCI2FC-JF2 — SG-XPCI2FC-JF2 - Sun Dual Port Fibre Channel 2Gb/s 64bit 133MHz PCI Host Bus Adapter — $210.98
SG-XPCI2FC-QF2 — SG-XPCI2FC-QF2 - Sun 2GB PCI 2-Port 64Bit 133MHz Fiber Channel Host Bus Adapter — $158.47
SG-XPCI2FC-QF2-Z — SG-XPCI2FC-QF2-Z - Sun StorEdge QLA2342A Fiber Channel Host Bus Adapter - 2 x LC - PCI-X - 2 Gbps — $105.60
SG-XPCI2FC-QF4 — SG-XPCI2FC-QF4 - Sun StorageTek Enterprise Host Bus Adapter dual port - 2 x LC - PCI-X - 4.24 Gbps 139 — $344.61
SG-XPCIE1FC-EM4 — SG-XPCIE1FC-EM4 - Sun StorageTek LightPulse LPe11000 PCI Express Single-Port 4GB/s Fiber Channel Host Bus Adapter — $110.40
SG-XPCIE1FC-EM8 — SG-XPCIE1FC-EM8 - Sun LightPulse LPe12000 1-Port 8GB/s Fibre Channel PCI-Express Host Bus Adapter — $188.82
Pro Disk Network Buyer’s Guide: Networking Devices
Optic Coding, Vendor Lock-In, and Multi-Vendor Compatibility
For Cisco IOS, IOS-XE, and NX-OS switches, the SG-XPCI1FC-EM4-Z works out-of-box if coded for Cisco; for Aruba ArubaOS-CX, code for HPE/Aruba; for Juniper Junos, code for Juniper. Pro Disk Network confirms the target vendor coding at order time and applies it before shipping. Misordered coding can be flashed in the field but the lead time is longer than ordering correctly the first time.
Bandwidth Sizing for Spine-Leaf, EVPN-VXLAN, and Hyperconverged Storage
Document optic types and bandwidth in your network drawings: SR-SR for intra-rack, LR-LR for inter-rack and DCI, ZR4 for long-haul coherent. Mismatched optic-distance ratings is the most common cause of intermittent link errors that look like cable problems but aren't.