"Universal Server Rack Casters | Bolt Pattern: 45mm x 75 mm | Hardware IncludedThis set of four M6 2-inch casters, while designed for StarTech.com racks, can be added to the bottom of any server equipment rack, network rack, A/V rack, etc. with a 45mm x 75mm bolt pattern. Ideal for replacing damaged casters or upgrading a standing rack to a rolling rack for additional mobility. RKCASTER2 is backed by a lifetime warranty and free technical support.StarTech.com Rack CompatibilityReplacement Casters For:Optional Casters For*:4POSTRACK12URK1224WALHM4POSTRACK25URK1232WALHMRK1233BKMRK1520WALHMRK1833BKMRK2620WALHMRK2433BKMRK616WALMRK2537BKMRK9WALMRK4242BK24RK4242BK30*Optional casters are sold separatelyThe StarTech.com Advantage- 2-INCH CASTER WHEELS: Four pack of universal swivel casters can be used as replacements on portable/mobile 4-post racks such as RK1833BKM, RK2433BKM, RK4242BK24 or to convert a floor rack to a rolling rack when casters are not included- TECHNICAL SPECIFICATIONS: Bolt Pattern: 45x75mm (1.8""x2.9"")- Wheel Size: 2""x1.7"" (50x43mm)"

USB Extender Over CAT5e/CAT6/CAT7 | Rugged Enclosure | 2-Year WarrantyThis USB 2.0 extender enables you to connect up to four USB 2.0 devices over distances of up to 330 feet (100 meters), over standard Cat5e/Cat6/Cat7 Ethernet LAN cabling.Hi-Speed USB PerformanceWith data bandwidth of up to 480Mbps and no software installation required, the USB extender over Cat5e, Cat6, or Cat7 network cabling offers a fast, easy, and versatile solution for business or commercial applications with durable metal housing, an included surface-mounting bracket kit and simple plug-and-play installation.Plus, the 330 ft. (100 m) USB extender provides up to the full 500 mA of power (with the use of an external power adapter at the remote end) allowing for greater compatibility with bus-powered USB devices.Compatible with USB 2.0/1.1/1.0 DevicesConnecting low-speed peripherals or HID devices isn't a problem. This versatile USB over network extender is backward compatible with legacy USB 1.0/1.1 devices, so you can access up to four different types of USB devices from your remote location, far away from the host computer.The Choice of IT Pros Since 1985StarTech.com conducts thorough compatibility and performance testing on all our products to ensure we are meeting or exceeding industry standards and providing high-quality products to IT Professionals. Our local StarTech.com Technical Advisors have broad product expertise and work directly with our StarTech.com Engineers to provide support for our customers both pre and post-salesUSB2004EXT100 is backed by a StarTech.com 2-year warranty and free lifetime 24/5 North American based, multi-lingual support.The StarTech.com Advantage

PCI | RS-232 Serial | IEEE 1284 Parallel | Lifetime WarrantyThis PCI 1x Parallel and 2x Serial Combo Card installs into a single PCI slot in your computer (occupying 2 to 3 expansion slots, depending on profile), and adds a DB25 IEEE 1284 parallel port and two DB9 RS 232 serial ports to your system.Adds an LPT Parallel PortThe controller card features an Asix MCS9865 chip and enables you to connect a DB25 parallel device to your desktop computer. The parallel port is ideal for connecting printers, scanners, plotters, point-of-sale terminals, PLCs, scientific sensors, medical equipment or oscilloscopes. The parallel (LPT) port supports SPP/Byte/Nibble/ECP/EPP modes and IEEE 1284 for speeds up to 1.5Mbps.Adds a COM Serial PortThe Asix MCS9865 chip also enables you to connect two DB9 devices using the same controller card, compatible with industry standard 16C550 UART. The serial ports are ideal for connecting point of sale terminals, serial printers, PLCs, control/automation in factories, scientific sensors, medical equipment, scanners and oscilloscopes. The serial (COM) ports support bi-directional RS232 speeds up to 115.2Kbps per port, available 256 byte FIFO buffer & 9th data bit.Wide Installation CompatibilityWith broad OS support, including for Windows (7 and up), and Linux (2.6.x to 5.x LTS versions only), this PCI serial/parallel card is easy to integrate into mixed environments. The card comes pre-configured with 2x full-profile brackets, and includes optional 3x low-profile brackets, so installation is easy regardless of the case form factor.PCI2S1P2 is backed by a StarTech.com lifetime warranty with free 24/5 multi-lingual North American based technical support. StarTech.com has been the IT professionals' choice for over 30 years.The StarTech.com Advantage

Securely store servers, network and telecommunications equipment in this 42U server rackThis 42U server rack cabinet provides secure storage space for storing EIA-310 compliant 19" rack-mount devices such as Dell, HP and IBM servers, as well as telecommunication and A/V equipment. The server rack provides an economical yet robust solution, with a total load capacity of 907 kg (2000 lb.).Hassle-free equipment installationThis network rack comes assembled, providing hassle-free deployment.With adjustable mounting rails, you can easily change the rail depth from 6 to 36 in. (152.4 mm - 914.4 mm) to support full-depth equipment. The extra depth also supports additional cable and power management behind your equipment.Both the top and bottom panels have removable cable-access covers which provide easy access for cable management. The rack also features a grounding wire, which can be used in the front or rear, enabling you to ground your equipment for added protection.Keep your equipment secure, cool, and accessibleTo help keep your rack-mounted equipment secure, this rack features a reversible front door allowing for different rack configurations. The front and rear doors are both lockable, and the mesh design increases airflow to provide passive cooling.The rack also has easily removable and lockable side panels, which allow for quick access to your equipment while still keeping it secure.Maximum maneuverability, with casters includedThe enclosure cabinet comes with both casters and leveling feet already installed, providing ease of mobility around your office, studio, or server room. Additionally, the width and height of the rack fit through standard doorways, providing the freedom to move your rack as needed.

Add a sturdy, 2U server rack shelf to any 2 post rackThe SHELF-2U-14-CENTER-V lets you add 2U 14 inches (35.6 cm) deep shelf to any 2-post EIA-310 compliant 19-inch rack. The shelf is vented to improve airflow and help lower temperatures in your rack.Quality constructionThe centered rack shelf can hold up to 200 lbs (91 kg) of equipment and is constructed using 1/16 in (1.5 mm) thick SPCC commercial-grade cold-rolled steel for long-term durability and sturdiness. Accommodate your accessories or non-mountable devices for ease of access or connectivity to your equipment.Hardware includedConveniently includes M6 square cage nuts and M6 screws to set it up in no time.The SHELF-2U-14-CENTER-V is backed by a StarTech.com lifetime warranty and free lifetime technical supportThe StarTech.com Advantage

Mount your network and telecommunications equipment with the convenience of adjustable depthThe RACK-24U-20-WALL-OA 24U Open Frame Wall Mount Equipment Rack with Adjustable Depth is a high-quality, sturdy relay rack solution that is easy to assemble and install into any environment.Sturdy Construction & Easy InstallationThe open rack features an adjustable depth ranging from 12-20 inches to accommodate larger data, network, and telecommunications devices. With a maximum depth of 20 inches, this rack allows for mounting of shelves and other accessories with enough clearance at the back for cable management. The open-frame design help to keep your equipment cool and easily accessible from different angles. The wall mounting holes are positioned 12 and 16 inches apart (center to center) providing a convenient and effecting anchoring, making it suitable for mounting on virtually any wall surface or construction framework.Includes HardwareThis 24U rack includes M6 square cage nuts and M6 screws to save you the hassle of sourcing separate mounting hardware for your equipment. This rack can be mounted to the wall in a server room, data closet, or office expanding your valuable floor space.The RACK-24U-20-WALL-OA is backed for 5-years by StarTech.com, including free lifetime 24/5 multi-lingual technical assistance.The StarTech.com Advantage

Connect four USB Type-A 3.2 Gen 1 (5Gbps) devices to a single USB port on your computer, using a USB hub that's suitable for harsh industrial/commercial environmentsIncrease USB scalability in industrial environments, product and repair labs, conference rooms or office workstations, using this 4-Port Industrial USB Hub.Functional in Harsh EnvironmentsThis industrial USB hub delivers reliable performance in harsh environments with its heavy-duty, metal housing.Perfect for factory environments, the rugged hub features ESD protection to each USB port, which aids in preventing damage to any connected devices.Mount to a Wall, Desk or DIN-RailInstall the hub where it's best suited for your application. Securely mount the hub to a variety of surfaces, including a wall, desk, or rack, using the built-in mounting brackets and included hardware.Connect and Charge USB DevicesThis robust heavy-duty USB 3.0 hub offers four connection ports for connecting USB devices/peripherals.The industrial USB hub supports 5-24V DC terminal block input, giving you the flexibility to power the hub as required, based on your own power input options.StarTech.com offers external power adapters, ITB20D3250 and SVA12M5NA, sold separately.With the optional power adapter, the hub supports USB battery charging specification 1.2, delivering up to 2.4A on any port to a maximum of 30W total, so you can charge your mobile devices faster than traditional USB ports allow.Wide Device CompatibilityThe hub is OS independent ensuring support on a wide range of platforms including Windows, macOS and Linux.

Quad-port PCIe network card with Intel® I225-V chip features multi-Gigabit speeds with NBASE-T supportThis quad-port 2.5GbE network interface card (NIC) features independent Intel I225-V chipsets for each port with Intel vPro technology, to enhance performance and data integrity across four 2.5G ethernet connections. The variable multispeed options (2.5/1Gbps and 100/10Mbps) enable support for both new and legacy network hardware. Utilize existing Cat5e or CAT6 cabling infrastructure while adding NBASE-T (802.3bz) compatibility for seamless integration.Increased Network SpeedThe PCIe network card leverages Intel vPro technology for remote management and troubleshooting capabilities. Improve bandwidth for data-intensive applications, network sharing, FTPs, online or local storage/backup, and the streaming of online content - while reducing network slowdowns. Access up to 2.5GBASE-T speeds using Cat5e (or better) cabling, to maximize existing networks and equipment. To ensure reliable performance, four Intel I225-V chipsets are used, providing independent Ethernet controllers to each port.Enhance Existing HardwareThe network interface card connects via an available x4 PCI Express 2.0 (or higher) expansion slot. The card ships in a standard-profile bracket and includes a low-profile bracket for installation into small form factor systems and servers. This ethernet NIC card is compatible with Windows, Windows Server, and Linux.This card supports the following advanced features: PXE Boot, WoL, VLAN tagging, 9 K jumbo frame, full-duplex, and Intel vPro technology.The StarTech.com Advantage

Install into a PCIe x 4 (and up) expansion slot to add a removable and lockable M.2 NVMe drive tray (drive not included)Utilize an available PCIe 4.0 x4 expansion slot for the installation, removal, or interchange of PCIe M.2 SSDs. The drive tray accommodates M-Key M.2 NVMe SSDs in 2230, 2242, 2260, and 2280 sizes.Toolless InstallationInstall an M.2 drive into the drive tray and insert the tray into the drive bay, without the need for tools. The drive tray features a power/activity LED indicator to monitor drive status. A latching mechanism with optional lock (2 keys included) deters the theft of mission-critical data storage devices.Optimal PerformanceThe vented stainless-steel frame and tray with thermal pads aids heat dissipation, ensuring optimal and reliable performance while reducing potential thermal throttling. Anti-vibration springs on the drive tray reduce impact during installation and enhance the overall stability and longevity of the drive. A low-profile bracket is included for small form-factor systems.Hot-SwappableAdditional drive trays (TR-M2-REMOVABLE-PCIE, sold separately) provide flexibility and convenience when managing multiple M.2 drives. NVMe PCIe hot swap support is dependent on the motherboard. Verify hot swap support with the manufacturer of the motherboard, and for instructions regarding how to enable this feature.The StarTech.com Advantage

Enhance a server or workstation's capabilities with dual 10 Gigabit fiber or copper connectivity using the SFP transceivers of your choiceThe 2-port 10Gbps OCP network interface card with the Intel X710-BM2 controller adds two open SFP+ slots to a server, increasing connectivity options and network performance.OCP (Open Compute Project) InterfaceThe network adapter card uses the Open Compute Project (OCP) 3.0 (168-pin 4C+) connector, which was designed for servers to reduce size, increase port density, and provide hot-swappable capabilities for simplified maintenance and upgrades. The PCI Express Network Card is compatible with PCIe versions 3.0, 2.1, and 2.0.10GbE and 1GbE SFP SupportThis card supports 1000Base-T/SX/LX/EX and 10GBase-T/SR/LR/CR for various network configurations and distances. This is ideal for high-speed, low-latency connections such as those used in virtualization, data centers, and cloud computing. It works with any single-mode or multimode MSA-compliant or branded SFP or SFP+ module, active optical cable (AOC), or direct attach copper cable (DAC). Optical fiber allows longer cable runs than copper cabling while eliminating EMI.Advanced FeaturesNetwork virtualization offloads reduce CPU overhead, increasing the efficiency of the virtualized network. PXE boot enables centralized OS deployment and updates. The card also supports 9K jumbo frames for reduced packet overhead and VLAN support for efficient network management. The card is compatible with Windows Server, Windows, and Linux.The StarTech.com Advantage