Tell us which system or service this product is for. We do not have details for this section yet.
Identify the parent array, I/O module and supported firmware combination.
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Storage Expansion EnclosureExtend a qualified storage platform
HPE M6720 3.5 Inch 4U SAS Drive Enclosure (QR491A). Storage Expansion Enclosure. Ask for current pricing and help choosing the right configuration.
Tell us the configuration, quantity and destination. Your quotation will show availability, condition, warranty and delivery terms.
Start an order requestHPE / PRODUCT DETAILS
An enclosure extends a compatible storage system; it does not replace the storage controller.
Tell us which system or service this product is for. We do not have details for this section yet.
Identify the parent array, I/O module and supported firmware combination.
Tell us which system or service this product is for. We do not have details for this section yet.
Match original drives and carriers to the enclosure qualification list.
Confirm the enclosure chain, cable type and available ports.
Tell us which system or service this product is for. We do not have details for this section yet.
Include the rail kit, power feeds and rack clearance.
Identify the parent array, I/O module and supported firmware combination.
View all specifications →HPE / ORDER & INSTALLATION DETAILS
Keep the system SKU, option P/N and spare P/N distinct.
Check the chassis generation and original HPE installation kits.
Separate factory hardware, optional management software and support.
Technical overview
Use the full part number when comparing options or asking about system fit.
| Category | Storage Expansion Enclosure |
|---|---|
| Compatible systems | HPE 3PAR StoreServ 7000 |
| Product data | Official HPE P/N QR491A |
| Option family | Storage Expansion Enclosure |
| Compatible models | HPE 3PAR StoreServ 7000 |
| Manufacturer | HPE |
| Model | QR491A |
| Manufacturer P/N | QR491A |
| Enclosure population | Cabling, ports, enclosure order and redundancy requirements |
| Support check | Determines the documented connection path to review. |
| Model / P/N | HPE M6720 3.5 Inch 4U SAS Drive Enclosure (QR491A) |
| HPE P/N | QR491A |
| Status | Contact for availability |
| Part number | QR491A |
| Product family | HPE Storage Expansion Enclosure |
HOW THIS PRODUCT FITS YOUR SYSTEM
Choose how you plan to use this product.
Identify the parent array, I/O module and supported firmware combination.
Match original drives and carriers to the enclosure qualification list.
Use this checklist to describe the change. The host system and full configuration determine which parts will fit.
YOUR QUOTE REQUEST
Add the quantity, options and installation details you want us to quote.
Confirm the exact manufacturer part number, host compatibility and included components. Optional software is quoted separately only when requested.
SUPPORT & REPLACEMENT
Check support dates, replacement options and whether continued use still makes sense.
We do not have confirmed sales and support dates for this part number.
Send us the full QR491A order code, software release and support details before planning long-term use.
Ask us to check the current sales and support statusProducts with similar names or connectors may still be incompatible. Compare the full specifications, installed system and software requirements.
Compare related products These products may be related, but we have not confirmed them as replacements.USING HARDWARE RESPONSIBLY
Consider repairability, remaining support and actual operating demand. Extending service life is useful only when the equipment still meets your security and reliability requirements.
Use measured average input power for the same workload. PSU ratings and processor TDP are different from total system power.
Energy difference = (current W − proposed W) × hours × units ÷ 1,000. Excludes cooling, embodied emissions and purchase costs.CONNECTION DETAILS
An expansion shelf adds bays behind a compatible controller. It does not replace the server, storage controller or Ethernet switch.
Browse the categories above for related equipment, then send us the full configuration so we can check the fit.
PRODUCT DETAILS
See the product details and images below.
| Manufacturer | HPE |
|---|---|
| Model | QR491A |
| Manufacturer P/N | QR491A |
HPE / order paths
| Option P/N | Requested upgrade or option-kit identity |
|---|---|
| Spare P/N | Service-replacement identifier from the installed item |
| System SKU | Base or configured system to which the requirement belongs |
Storage expansion enclosure
Exact shelf P/N, I/O modules and drive population
Connection reviewDefines the ordered expansion assembly.
Preserved from the earlier page design. These illustrations do not identify the product or establish the offered configuration.
Product Details
HPE M6720 3.5 Inch 4U SAS Drive Enclosure. HPE ordering identifier: QR491A.
Specify the expansion enclosure with its supported parent storage system.
Identify the parent array or server and exact expansion-enclosure generation. Check supported shelf connectivity, I/O modules and firmware.
Review qualified drives, carriers, shelf count and topology limits. Itemize enclosure, media, cables, power and installation scope.
Specify the expansion enclosure with its supported parent storage system.
Compatible HPE systems are listed for quotation review.
Identify the parent array or server and exact expansion-enclosure generation.
Check supported shelf connectivity, I/O modules and firmware.
Identify the parent array or server and exact expansion-enclosure generation.
Identify the parent array or server and exact expansion-enclosure generation.
Compatibility
Order checklist
System Compatibility
Product Views
HPE Part Number Details
Manufacturer part number QR491A stays as the ordering anchor. Confirm the target system generation, required firmware, dependent kits and regional support terms before ordering.
Compatibility and BOM checks
Model selection & order planning
HPE M6720 3.5 Inch 4U SAS Drive Enclosure (QR491A)
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Specify condition, testing requirements, destination and requested delivery date.
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