
Introduction
Physical security breaches remain one of the most overlooked vulnerabilities in data center operations. Most organizations invest heavily in cybersecurity — yet according to Verizon's 2023 Data Breach Investigations Report, physical breaches accounted for 28% of catastrophic data events, with roughly 10% of malicious breaches tied directly to physical access failures. Hardware theft and unauthorized access to live servers remain leading causes of data compromise — and server room cage solutions are one of the most direct ways to close that gap.
A server room cage is a purpose-built steel or aluminum enclosure that creates a controlled, access-restricted perimeter within shared or co-location data center environments. These physical barriers help organizations meet compliance mandates including SSAE 18, HIPAA, PCI-DSS, and SOC 2 by restricting unauthorized access to servers and sensitive hardware.
This guide evaluates 8 leading server room cage solutions across four criteria:
- Security design — construction materials, locking mechanisms, and intrusion resistance
- Build quality — frame durability, panel integrity, and load ratings
- Customization flexibility — sizing options, modular configurations, and finish choices
- Compliance support — alignment with SSAE 18, HIPAA, PCI-DSS, and SOC 2 requirements
TL;DR
- Server room cages create physically secured perimeters around server racks in shared or colocation data centers
- Choose mesh with apertures smaller than RJ45 connectors, plus concealed fasteners and full ceiling/floor coverage
- Match cage type to your facility: freestanding units for fixed layouts, modular systems for changing footprints
- Options span heavy-duty wire partitions to fully prefabricated enclosures, depending on security requirements
- The right cage blocks cable intrusion and prevents external disassembly — two common physical breach methods
What Are Server Room Cages and Why Do They Matter?
A server room cage is a steel or aluminum enclosure anchored to floors or walls, designed to create a physically secured perimeter around server racks and IT equipment within shared data centers or co-location facilities. These enclosures serve as the physical boundary between your infrastructure and unauthorized personnel in shared environments.
Cage Types and Applications
Two primary cage types cover most deployment needs:
- Freestanding cages — self-supporting structures available in standard sizes, suited for permanent installations with fixed server configurations and faster deployment timelines
- Modular cages — prefabricated panel-based systems configurable to any footprint, well-suited for environments where layouts need to expand or reconfigure as business needs shift
Compliance Requirements
Choosing the right cage type also ties directly to regulatory obligations. Several major standards require demonstrable physical access controls:
- PCI-DSS v4.0 — requires "restricting physical access to cardholder data environments"
- HIPAA — mandates facility access controls to "limit physical access to electronic information systems"
- SSAE 18 / SOC 2 — assess physical security as part of Trust Services Criteria

None of these standards specify construction details, but cage-level separation is a primary method for satisfying access control requirements in shared facilities.
Top 8 Server Room Cage Solutions for Data Center Security
The entries below cover the full spectrum of server cage approaches — from modular wire partition systems to fully prefabricated rooms — to help you match the right solution to your security and compliance requirements.
SpaceGuard Products – Wire Partition Server Cages
SpaceGuard Products is a U.S.-based wire partition manufacturer with extensive experience in industrial and data center security enclosures. Their product range covers both standard and custom server cage configurations designed specifically for IT infrastructure protection.
Key differentiators: Welded wire construction with small mesh openings (2" x 2" standard, heavy-duty 2" x 2" #6 gauge available), compatibility with electronic access control systems, and optional ceiling attachment panels to close off overhead access points — a compliance feature often skipped in generic wire partitions. SpaceGuard backs their systems with a 10-year limited warranty, one of the strongest in the category.
| Feature | Details |
|---|---|
| Cage Type | Freestanding or wall-anchored wire partition cage |
| Key Security Features | Small-mesh welded wire panels, concealed 5/16" carriage through-bolts (accessible only from secure side), electronic lock compatibility |
| Customization Options | Custom dimensions, ceiling panels, multiple door configurations (swing or slide), keyless locks, automatic door closers |
WireCrafters – Data Center Security Enclosures
WireCrafters specializes in wire mesh partitions and data center cages, offering purpose-built server enclosures distinct from generic industrial fencing. Their Style 840 system is widely deployed in co-location facilities across North America.
Key differentiators: Standard 2" x 1" rectangular mesh with 10-gauge wire, patented tamper-resistant sliding door latch mechanism, and heavy-duty 3/8" mounting bolts to prevent external disassembly. All assembly hardware is inaccessible from the unsecured side. WireCrafters rates field service life at 20 years with proper maintenance.
| Feature | Details |
|---|---|
| Cage Type | Modular wire mesh panel system |
| Key Security Features | Tamper-resistant fasteners, 2" x 1" small-aperture mesh, card reader/biometric integration ready, patented sliding door latch |
| Customization Options | Configurable panel heights, aisle containment add-ons, floor-anchoring hardware, ceiling and sub-floor partitions |
Folding Guard – Modular Server Room Cages
Folding Guard manufactures modular security enclosures suited for rapid deployment in co-location and enterprise data centers. Their Saf-T-Fence and Versa Guard product lines offer flexibility for facilities requiring frequent reconfiguration.
Key differentiators: Drop-N-Lock bracket system allows panel removal and reinstallation without full teardown — ideal for maintenance access. Solid-panel sections available for side walls reduce visual exposure of equipment. Auto-close door mechanisms support audit trail compliance by ensuring doors return to secured position.
| Feature | Details |
|---|---|
| Cage Type | Prefabricated modular panel cage |
| Key Security Features | Auto-close door options, solid or mesh panel mix, internal bolt-only assembly, 1.25" x 2.5" welded wire mesh |
| Customization Options | Scalable panel additions, sliding or swinging doors, ADA-compliant door width options, Drop-N-Lock maintenance access |
Cogan Wire & Metal Products – Server Room Partitions
Cogan Wire & Metal is a Canadian-founded manufacturer with strong presence in North American data center and industrial markets. Their welded wire partition systems adapt well to server room applications, particularly in raised-floor environments.
Key differentiators: 2" x 2" x 10-gauge welded wire mesh with reinforced 1/2" round bars for added rigidity. Cogan also provides under-floor barrier solutions — an option most wire partition manufacturers don't offer — enabling complete perimeter security in raised-floor data centers.
| Feature | Details |
|---|---|
| Cage Type | Welded wire partition, freestanding or wall-mounted |
| Key Security Features | Under-floor barrier compatibility, 2" x 2" small-mesh panels, heavy-gauge steel frame with reinforced bars |
| Customization Options | Multiple panel heights (up to full ceiling), custom door sizes, powder-coat finishes, raised-floor integration |

Penco Products – Security Cage Systems
Penco Products is a broad-line storage and security manufacturer offering wire security cages used across data centers, evidence rooms, and industrial settings. Their wide distribution network enables faster lead times than specialized manufacturers.
Key differentiators: Pre-engineered cage kits for smaller server rooms accelerate deployment. Kits come in widths from 18" to 48", compatible with standard rack dimensions. Optional roof panels close overhead access points. Penco's established distribution network reduces shipping delays for standard configurations.
| Feature | Details |
|---|---|
| Cage Type | Pre-engineered wire cage kits and custom enclosures |
| Key Security Features | Lockable swing doors with padlock hasps, 10-gauge heavy-gauge wire, optional roof panels |
| Customization Options | Kit sizes from small server closets to full room enclosures, add-on panels available, multiple door options |
Borroughs Corporation – Server Room Enclosures
Borroughs Corporation is a U.S. manufacturer offering industrial storage and security enclosure products. While primarily focused on shelving systems, they provide freestanding wire mesh enclosures suitable for server room applications.
Key differentiators: Anchored base frames provide stability in high-traffic environments. Card access compatibility allows integration with building management systems. Tamper-evident hardware alerts security personnel to attempted breaches.
| Feature | Details |
|---|---|
| Cage Type | Freestanding wire mesh enclosure |
| Key Security Features | Anchored base frames, card access compatibility, tamper-evident hardware, 14-gauge steel construction |
| Customization Options | Custom footprints, ventilation-optimized mesh patterns, multiple locking mechanisms |
Panel Built Inc. – Prefabricated Server Room Cages
Panel Built manufactures modular in-plant buildings and security enclosures, offering fully prefabricated server room cage structures that include wall, ceiling, and door systems as an integrated package.
Key differentiators: Solid 3" thick insulated wall panels deliver visual privacy and environmental control that open-mesh cages can't match. Fire-rated and soundproof options are available. This makes Panel Built a strong fit for HIPAA or PCI-DSS environments where physical privacy is a hard requirement.
| Feature | Details |
|---|---|
| Cage Type | Fully prefabricated modular server room enclosure (solid panel option) |
| Key Security Features | Full ceiling enclosure standard, solid or mesh wall panels (Class A vinyl-covered gypsum), integrated door hardware, fire-rated options |
| Customization Options | Custom room dimensions, through-wall HVAC pass-through options, multi-door configurations, interior LED lighting |
Source Equipment Company – Custom Security Cage Solutions
Source Equipment Company provides customized wire cage and enclosure configurations for data centers, distribution centers, and manufacturing facilities nationwide. The company serves diverse sectors including warehousing, manufacturing, retail, and data center operations.
Key differentiators: Source Equipment takes a consultative approach — analyzing each client's space, compliance requirements, and workflow before recommending a solution. Their welded wire server cages feature 2" x 2" mesh with 8-gauge welded wire construction and 2.5" x 2.5" 16-gauge steel posts. Products are UL Listed and ANSI Compliant. The patented hook and drive pin installation system enables significantly faster installation than traditional bolt systems. Popular sizes ship within 48 hours nationwide from their Massachusetts headquarters.
| Feature | Details |
|---|---|
| Cage Type | Customized modular and freestanding wire security cages |
| Key Security Features | UL Listed, ANSI Compliant hardware; access control ready (keypad/RFID options); 8-gauge welded wire; 2" x 2" mesh panels; 100% U.S. sourced steel |
| Customization Options | Full room design consultation, custom dimensions, ceiling/floor barrier options, multiple door types (swing/slide), electric strikes, hydraulic closers |

How We Chose the Best Server Room Cage Solutions
Solutions were assessed on purpose-built data center design rather than repurposed industrial fencing. A critical evaluation criterion was mesh aperture size: openings must be smaller than an RJ45 connector (approximately 0.55 inches / 14mm) to block unauthorized cable insertion. Standard RJ45 plugs measure 11.7mm x 13.4mm, setting the maximum acceptable mesh opening.
Concealed fasteners are a common compliance failure. Top-tier solutions design systems where all assembly hardware is accessible only from the secure side, preventing external disassembly attempts. We evaluated whether fasteners use carriage bolts (rounded heads) or tamper-resistant drive heads.
Additional evaluation criteria included:
- Door mechanisms: auto-close, sliding vs. swinging options, and ADA clearance
- Full perimeter coverage: ceiling and sub-floor barrier compatibility
- Access control integration: card readers, biometrics, and keypad readiness
- Compliance alignment: SSAE 18, PCI-DSS, HIPAA, and SOC 2 requirements
- Aesthetics: professional appearance suitable for client-facing audits and facility tours
Conclusion
Choosing the right server room cage comes down to a checklist most buyers skip until it's too late. Before committing to any system, evaluate:
- Mesh aperture size — openings must be smaller than RJ45 connectors
- Compliance alignment — SSAE 18, PCI-DSS, HIPAA, and SOC 2 each have distinct physical security requirements
- Door behavior — auto-close mechanisms are non-negotiable in most audited environments
- Ceiling and floor coverage — partial enclosures create exploitable gaps
- Scalability — modular systems cost less to expand than full replacements
Warranty coverage ranges from 1 year to 10 years, with quality steel partitions typically lasting 20+ years in service.
Avoid generic construction fencing or industrial wire partitions repurposed for server rooms. These create compliance gaps and often cost more to replace than purpose-built solutions cost upfront. Mesh openings larger than RJ45 dimensions allow cable intrusion, while externally accessible fasteners enable disassembly from outside the secure perimeter.
When evaluating vendors, prioritize suppliers who can document compliance specifications, provide certified testing data for their mesh panels, and support custom configurations for non-standard footprints.
Frequently Asked Questions
What is the best method for physically securing a server room?
Layer multiple controls: a purpose-built cage with concealed fasteners and small-aperture mesh, electronic access control (card reader or biometric) on cage doors, and surveillance cameras inside the perimeter. Add ceiling and sub-floor barriers to close off all remaining entry vectors.
What are the key features of a good server cabinet?
Quality server cabinets feature steel or aluminum construction, lockable front and rear doors, integrated cable management, adequate ventilation, and standard EIA rack compatibility. Note the distinction: a cabinet secures a single rack, while a server cage is a room-level enclosure securing multiple racks.
What is the lifespan of a server cabinet?
Quality steel server cabinets and cages typically last 15–20+ years with proper maintenance. Manufacturer warranties range from 1 to 10 years. Modular systems can be reconfigured or expanded rather than replaced outright, extending functional life and providing better long-term ROI.
What compliance standards require server room cages?
SSAE 18/SOC 2, PCI-DSS, and HIPAA all mandate physical access separation, audit logs, and controlled entry points. None explicitly require cages, but cage-level separation is the primary method facilities use to satisfy these physical security requirements in shared environments.
What is the difference between a freestanding and a modular server cage?
Freestanding cages are self-supporting structures available in fixed sizes, faster to deploy, and ideal for permanent installations. Modular cages use prefabricated panels that can be assembled in any footprint and reconfigured as needs change, making them better suited for growing or dynamic data center environments requiring future expansion.
How small should the mesh holes be in a server room cage?
Mesh openings should be smaller than an RJ45 connector (approximately 0.55 inches / 14mm) to prevent someone from inserting a network cable and gaining unauthorized network access. This specific requirement is often overlooked when using generic industrial fencing with larger openings.
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