Replacement for Q3931-67921: Drop-In Alternatives We Stock
Looking for a replacement for the Q3931-67921 (Q3931-67921 - HP Duplex Switchback Tray Kit - Upper and Lower for CP6015 - Lower for CM6030 / 6040 aka RM1-5948)? Pro Disk Network ships HP 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 Q3931-67921
| SKU | Q3931-67921 |
|---|---|
| Product | Q3931-67921 - HP Duplex Switchback Tray Kit - Upper and Lower for CP6015 - Lower for CM6030 / 6040 aka RM1-5948 |
| Current price | $182.37 |
| Stock status | In Stock |
| Detail page | View Q3931-67921 › |
Drop-in replacements for Q3931-67921
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.
RC4-1337-000 - HP Duplex Switchback Tray Assembly for Color LaserJet Enterprise M855 / M880 Series
SKU: RC4-1337-000
Price: $106.47
RC4-1337 - HP Duplex Switchback Tray Assembly for CLJ Ent M855 / M880 Series
SKU: RC4-1337
Price: $106.47
RC4-1337-000CN - HP Duplex Switchback Tray Assembly for Color LaserJet Enterprise M855 / M880 Series
SKU: RC4-1337-000CN
Price: $106.47
Q3938-67964 - HP Duplex Switchback Tray for Color LaserJet cm6030 multifunction printer
SKU: Q3938-67964
Price: $189.47
RM2-5023-000CN - HP Duplex Switchback Tray Assembly for Color LaserJet Enterprise M855 / M880 Printer
SKU: RM2-5023-000CN
Price: $189.47
RM2-5023 - HP Duplex Switchback Tray Assembly for Color LaserJet Enterprise M855 / M880 Printer
SKU: RM2-5023
Price: $189.47
RM2-5023-000 - HP Duplex Switchback Tray Assembly for Color LaserJet Enterprise M855 / M880 Printer
SKU: RM2-5023-000
Price: $189.47
AM426-60010 - HP Upper / Lower XNC Module Management Connector Assembly for ProLiant DL980 Gen7 Server
SKU: AM426-60010
Price: $326.32
AM426-60009 - HP XNC Upper / Lower 8-Port Module Dual-CPU with Heat Sinks Assembly for ProLiant DL980 G7 Server
SKU: AM426-60009
Price: $412.63
AM426-69009 - HP XNC Upper / Lower Cage Assembly for ProLiant DL980 G7 Server
SKU: AM426-69009
Price: $2,289.47
RG5-5539 - HP Lower Tray Logic PCA - With Tray Size switches for LJ 4100 / 4100MFP / 4101
SKU: RG5-5539
Price: $143.39
RG5-5539-000CN - HP Lower Tray Logic PCA - With Tray Size Switches for LaserJet 4100 / 4100MFP / 4101
SKU: RG5-5539-000CN
Price: $143.39
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.