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733660-B21
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- 2U SFF EASY INSTALL RAIL KIT PL=SI
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Delivery Timelines
Under 100 KG? Ships Express.
Smaller shipments go via DHL or FedEx Express — delivered worldwide in approximately 3 business days.
Over 100 KG? Ships via Freight.
Larger orders are dispatched through freight forwarding partners. Delivery takes 7–10 business days, globally.
Always Delivered to Your Door
Every shipment is delivered directly to your address — regardless of country or carrier.
Our best-in-class warranties
3-Year Extended Warranty
Extended protection, enterprise-grade.
All enterprise hardware is backed by a 3-year warranty — triple the industry standard — covering defects under normal use.
Professional repairs & replacements.
If a hardware issue is confirmed, we’ll repair or replace the unit. Replacement parts carry either original or 3-month coverage.
RMA process, simplified.
Once an RMA is approved, return the defective unit within 10 days. We handle the rest — no service gaps.
Service Boundaries & Exclusions
What’s covered — and what’s best avoided.
Your warranty covers defects under normal use. For continued protection, avoid accidental damage, unauthorized repairs, third-party parts, or extreme environments.
Know your location’s service type.
In some regions, return-to-factory or remote service may apply. On-site service depends on infrastructure availability.
Minimal documentation required.
To initiate service, just submit the invoice and warranty card — no red tape, no waiting.
14-Day Money Back Guarantee
Free 14-Day Returns
Tested it, but it’s not a fit?
Return any product within 14 days of delivery if it doesn’t meet your technical or operational needs.
Initiate returns with ease.
Our RMA process is streamlined — just raise a request, follow the packaging guidelines, and we’ll handle the rest.
Refund or restock, your call.
Changed your mind? Get a refund (restocking fees may apply) or swap with another product.
30-Day Hardware Replacement
Covered for any early faults.
All equipment includes a 30-day replacement warranty. If something goes wrong, we’ll repair or swap it — fast.
Replacements shipped in 10 days or less.
Once your return is inspected and approved, we dispatch the replacement promptly to keep your operations moving.
RMA protocol keeps it smooth.
Just ensure all accessories and original packaging are intact — we’ll take care of the technical validation.
733660-B21
2U SFF EASY INSTALL RAIL KIT PL=SI
$125.00
$43.00
21 in Global Warehouse
$43.00
66% off
TRUSTED, TRIED, PROVEN
733660-B21 Overview
733660-B21 is an enclosed cabinet rack designed for high-performance installations in network closets and data centers. With a 42U height and a standard 19-inch mounting interface, it features a vented door for optimal airflow, a standard 600–800mm depth, and robust support designed to handle a weight capacity of 2000+ lbs.
Engineered with advanced cable management and passive cooling support, 733660-B21 also includes integrated casters and leveling feet for easy mobility and secure, level placement. Its reliable front door locking mechanism makes it ideal for telecom racks and AV equipment setups in demanding environments.
What is the price of 733660-B21?
Lowest price of 733660-B21 is $ 43.00. Shop now! Get further exclusive discounts with bulk quotation on 733660-B21
Explore more options from Racks or explore other Hpe products.
733660-B21 Specifications
| Product Type | Rack |
| Rack Type | Enclosed Cabinet |
| Mounting Type | Floor Standing |
| Rack Height (U) | 42U |
| Use Case | Data Center / Networking Closet / Telecom / AV Rack |
| Rack Width | 19-inch |
| Rack Depth | 600–800mm |
| Weight Capacity | 2000+ lbs |
| Material | Steel |
| Door Type | Vented Door |
| Side Panels | Tool-less |
| Cable Management | Brush Panels |
| Cooling Support | Passive Ventilation |
| Locking Mechanism | Front Door Lock |
| Casters | Included |
| Leveling Feet | Included |
| Rails Included | Yes |
| Expansion Ready | Yes |
| Grounding Kit Included | Yes |
| Color | Black |
| Compliance | UL Listed / CE |
| Product Name | 733660-B21 Enclosed Server Rack Cabinet |
| Height | 84 inches |
| Width | 24 inches |
| Depth | 30 inches |
| Weight | 250 lbs |
733660-B21 Use Case
Rapid 2U SFF Server Deployment in High-Density Data Centers
In large-scale data centers running HPE ProLiant Gen10 servers, the 733660-B21 2U SFF Easy Install Rail Kit PL=SI enables tool-less, slide-out installation. IT managers reduce rack-mount time by 40%, accelerate provisioning of compute nodes, and optimize floor space for up to 25% more servers per cabinet—delivering faster time-to-service and improved operational agility.
Zero-Touch Maintenance for Enterprise Virtualization Clusters
During scheduled maintenance windows on VMware ESXi clusters, system administrators use the 733660-B21 rail kit to hot-swap 2U SFF blades with zero-touch rail brackets. This streamlined workflow cuts hardware replacement time from 30 to 5 minutes per node, minimizes service interruptions, and ensures 99.99% SLA compliance for mission-critical applications.
Edge-Site Server Rollout for Retail and Telecom Branches
When deploying compact edge servers in retail stores or telecom PoPs, field engineers install HPE DL360 servers using the 733660-B21 rail kit for rapid rack integration. The durable, pre-aligned rails support repeatable installs across 50+ remote sites, reducing on-site labor by 60% and enabling consistent compute performance at distributed locations.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Cable Management | Included | Brush Panels | Included | Included | Included |
| Casters | Included | Included | Included | Optional | Optional |
| Color | Black | Black | Black | Black | Black |
| Compliance | RoHS | UL Listed / CE | UL Listed | CE | RoHS / UL Listed / CE |
| Cooling Support | Passive Ventilation | Passive Ventilation | Passive Ventilation | Passive Ventilation | Passive Ventilation |
| Depth | 30 inches | 30 inches | 28 inches | 28 inches | 36 inches |
| Door Type | Vented Door | Vented Door | Vented Door | Vented Door | Vented Door |
| Expansion Ready | Yes | Yes | Yes | Yes | Yes |
| Grounding Kit Included | Yes | Yes | Yes | Yes | Yes |
| Height | 78 inches | 84 inches | 73.5 inches | 73.5 inches | 84 inches |
| Leveling Feet | Included | Included | Included | Included | Included |
| Locking Mechanism | Front Door Lock | Front Door Lock | Front Door Lock | Front Door Lock | Front Door Lock |
| Material | Cold-Rolled Steel | Steel | Steel | Cold-Rolled Steel | Cold-Rolled Steel |
| Mounting Type | Floor Standing | Floor Standing | Floor Standing | Floor Standing | Floor Standing |
| Product Name | P9K38A Enclosed Server Rack | 733660-B21 Enclosed Server Rack Cabinet | H6F54A Enterprise Enclosed Cabinet | J9583AR Enclosed Cabinet Rack | H6J77A Enclosed Server Rack |
| Product Type | Rack | Rack | Rack | Rack | Rack |
| Rack Depth | 600–800mm | 600–800mm | 600–800mm | 600–800mm | 800–1000mm |
| Rack Height (U) | 42U | 42U | 42U | 42U | 42U |
| Rack Type | Enclosed Cabinet | Enclosed Cabinet | Enclosed Cabinet | Enclosed Cabinet | Enclosed Cabinet |
| Rack Width | 19-inch | 19-inch | 19-inch | 19-inch | 19-inch |
| Rails Included | Yes | Yes | Yes | Yes | Yes |
| Side Panels | Removable | Tool-less | Tool-less | Removable | Fixed |
| Use Case | Data Center / Networking Closet / Telecom / AV Rack | Data Center / Networking Closet / Telecom / AV Rack | Data Center / Networking Closet / Telecom | Data Center / Networking Closet / Telecom | Data Center / Networking Closet / Telecom / AV Rack |
| Weight | 350 lbs | 250 lbs | 850 lbs | 350 lbs | 350 lbs |
| Weight Capacity | 501–1000 lbs | 2000+ lbs | 501–1000 lbs | 501–1000 lbs | 2000+ lbs |
| Width | 24 inches | 24 inches | 19 inches | 24 inches | 24 inches |
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Questions & Answers
Q
What is the HPE 2U SFF Easy Install Rail Kit PL=SI (SKU 733660-B21)?
A
The HPE 2U SFF Easy Install Rail Kit PL=SI (733660-B21) is a tool-less, sliding rail assembly engineered to mount HPE 2U small form factor servers into standard 19” racks quickly and securely.
Q
Which rack types are compatible with SKU 733660-B21?
A
This rail kit is compatible with any EIA-compliant 19″ relay-rack or cabinet with a depth of 600–1,200 mm, supporting both threaded and square-hole rails.
Q
Which HPE servers work with the 2U SFF Easy Install Rail Kit?
A
The 2U SFF Easy Install Rail Kit supports HPE ProLiant DL360, DL380, and DL560 series servers in a 2U, small form factor chassis configuration.
Q
Does the 733660-B21 rail kit require tools for installation?
A
No. The easy-install design features latch-and-slide rails that snap into place without tools, reducing rack-mount time by up to 50%.
Q
How do I install the HPE 2U SFF Easy Install Rail Kit?
A
Align the front rail brackets to the rack uprights, press the release levers to lock, slide the server into the rails until it clicks, then secure with the rear rail assemblies.
Q
What is the maximum load capacity of the 733660-B21 rail kit?
A
Each rail supports up to 35 kg (77 lb) of server weight, providing reliable, vibration-resistant mounting for enterprise hardware.
Q
Are these rails adjustable for different rack depths?
A
Yes. The rail kit extends from 600 mm to 1,200 mm, accommodating shallow and deep rack enclosures without modification.
Q
Does the HPE 2U SFF rail kit include all necessary mounting hardware?
A
Yes. It ships complete with front and rear rail assemblies, mounting brackets, latch assemblies, and all required screws and clips.
Q
Can I hot-swap servers using this rail kit without powering down?
A
Yes. The rails feature sliding mechanisms and quick-release latches that support hot-swappable server removal and insertion under full operation.
Q
What warranty covers the 733660-B21 rail kit?
A
The HPE 2U SFF Easy Install Rail Kit is backed by a one-year parts warranty and global HPE support services for rapid replacement if needed.
Q
What materials are used in the construction of this rail kit?
A
The kit is constructed from cold-rolled steel with a corrosion-resistant finish, ensuring durability and long-term stability in data center environments.
Q
Are the HPE rails compliant with industry standards?
A
Yes. The rail kit meets EIA 310-D standards for 19” rack equipment and UL/cUL safety certifications for IT hardware.
Q
How do I order additional HPE rail kits or replacement parts?
A
You can order SKU 733660-B21 or individual components through authorized HPE channel partners, the HPE Parts Store, or your HPE support representative.
Q
Can I use the 2U SFF rail kit with non-HPE servers?
A
While optimized for HPE ProLiant servers, the adjustable rails can mount other 2U SFF servers that conform to EIA 19″ rack and depth specifications.
Q
Where can I find the official installation guide and technical datasheet?
A
Download the step-by-step installation guide and product specifications from the HPE Support Center by searching for SKU 733660-B21 or “2U SFF Easy Install Rail Kit.”
