Replacement for CRS504-4XQ-OUT: Drop-In Alternatives We Stock
Looking for a replacement for the CRS504-4XQ-OUT (Mikrotik CRS504-4XQ-OUT 4-Ports 100GBase-X QSFP28 1x 10/100 Ethernet Port Outdoor Fibre Switch)? Pro Disk Network ships drop-in replacements and equivalent modern parts from US inventory. Every alternate below is in-stock today with same-day shipping for orders placed before 2pm ET. If your unit is still under warranty, contact our engineering team — we offer cross-shipping for B2B customers on Net 30 terms.
About the CRS504-4XQ-OUT
| SKU | CRS504-4XQ-OUT |
|---|---|
| Product | Mikrotik CRS504-4XQ-OUT 4-Ports 100GBase-X QSFP28 1x 10/100 Ethernet Port Outdoor Fibre Switch |
| Current price | $1,854.74 |
| Stock status | In Stock |
| Detail page | View CRS504-4XQ-OUT › |
Drop-in replacements for CRS504-4XQ-OUT
Each part below is currently in our US warehouse, ships same-day for orders before 2pm ET, and includes our 90-day warranty. SKUs link to the full product page with photos, datasheets and B2B quote form.
Mikrotik CRS520-4XS-16XQ-RM 16x 100G QSFP28 Ports 2x 1G/2.5G/5G/10G Ethernet Ports 4x 25G SFP28 Ports Network Switch
SKU: CRS520-4XS-16XQ-RM
Price: $3,257.89
Mikrotik CRS326-24S+2Q+RM 24-Ports 10GBase-X SFP+ 10 Gigabit Ethernet + 2-Ports 40GBase-X QSFP+ 1U Rack-mountable Network Switch
SKU: CRS326-24S+2Q+RM
Price: $921.05
FG-100EF - Fortinet 14 x GE RJ45 ports (including 2x WAN ports, 1 x DMZ port, 1 x Mgmt port, 2 x HA ports, 8 x internal switch ports), 8x SFP ports. Max managed FortiAPs (Total / Tunnel) 64 / 32
SKU: FG-100EF
Price: $3,227.37
HPE R8N89A#ABA Aruba 6000 12G-Class4-PoE-2G/2SFP 12-Ports 10/100/1000Base-T PoE+ 2-Ports SFP 2-Ports 1GbE Base-T 1-Ports USB-C Console 1-Port USB Type-A Layer 2 1U Rack Mount Gigabit Ethernet Manageab
SKU: R8N89A#ABA
Price: $1,221.05
HPE R8N87A#ABA Aruba 6000 24G-Class4-PoE-4SFP 24-Ports 10/100/1000Base-T PoE 4-Ports SFP 1-Ports USB-C Console 1-Ports USB Type-A Host Layer 2 Managed 1U Rack-mountable Gigabit Ethernet Network Switch
SKU: R8N87A#ABA
Price: $1,109.16
HPE R8N87-61001 Aruba 6000 24G-Class4-PoE-4SFP 24-Ports 10/100/1000Base-T PoE 4-Ports SFP 1-Ports USB-C Console 1-Ports USB Type-A Host Layer 2 Managed 1U Rack-mountable Gigabit Ethernet Network Switc
SKU: R8N87-61001
Price: $1,342.11
HPE R8N87-61101 Aruba 6000 Series 24G-Class4-PoE-4SFP 24-Ports 10/100/1000Base-T PoE + 4-Ports SFP + 1-Ports USB-C Console + 1-Ports USB Type-A Host Layer 2 Managed 1U Rack-mountable Gigabit Ethernet
SKU: R8N87-61101
Price: $1,342.11
J9779-61001 - HP 2530-24-PoE+ 24-Ports 10/100 (PoE+) with 2 Gigabit SFP Ports & 2 Ethernet Ports Managed Fast Ethernet Rackmountable Switch
SKU: J9779-61001
Price: $184.21
How we pick replacements
Every recommendation above was selected using these criteria:
- Drop-in compatibility — same form factor (2.5"/3.5", PCIe slot, SFP port, etc.), so it fits the original chassis without modification
- Equivalent or better performance — matched on RPM/IOPS/speed/throughput, never downgraded
- Same-brand-preferred — we list the OEM-equivalent first when available, then trusted aftermarket
- Warranty coverage — 90-day Pro Disk warranty on every part, with 1-year option for B2B
- In stock today — never recommend a part that is on backorder
Need help confirming compatibility?
Our engineers validate every replacement against your specific server, switch, or chassis model before shipment. Email sales@prodisknetwork.com with your platform model (e.g., Dell PowerEdge R740, HP DL380 Gen10, Cisco Catalyst 9300) and we will confirm the exact part number that drops into your hardware.