What is the switching capacity of this model?

The HP 1905-24 offers 13.6 Gbps routing/switching capacity and up to 6.6 million pps throughput, with <5 µs latency at 100 Mb and 1000 Mb speeds. This ensures efficient Layer 2 forwarding for SMB traffic loads.

Is the switch rack-mountable?

Yes, it is a 1U rack-mountable unit with dimensions approximately 17.4" x 9.4" x 1.7", fitting standard 19-inch racks. Ideal for data closets in small business setups.

How is the switch managed?

Management uses an intuitive web-based interface, limited CLI via RJ-45 serial console, and SNMP with IEEE 802.3 MIB support. Features include VLANs, ACLs, STP/RSTP for easy administration.

What network standards does it support?

Supports Fast Ethernet Layer 2 with IEEE 802.3, 802.3u, 802.3ab for 10/100/1000 BASE-T/SX/LX. Includes Auto-MDIX and duplex modes, compatible with legacy and modern endpoints.

What is the operating temperature range?

Operates from 32°F to 113°F (0°C to 45°C), suitable for typical office and rack environments. Ensures reliability in non-climate-controlled SMB installations.

JD990-61101 - HP 1905-24 24x 10/100 Mb/s RJ-45 ports; 2x Combo Gigabit SFP ports Switch

Name: JD990-61101 - HP 1905-24 24x 10/100 Mb/s RJ-45 ports; 2x Combo Gigabit SFP ports Switch
Brand: HP
SKU: JD990-61101
Price: 98 USD
Availability: InStock

JD990-61101 - HP 1905-24 24x 10/100 Mb/s RJ-45 ports; 2x Combo Gigabit SFP ports Switch | US IT Hardware

Product overview

The HP 1905-24 (SKU: JD990-61101) is a smart managed Layer 2 fixed-configuration Fast Ethernet switch from the 1905 Series, designed for small and medium-sized businesses. It features 24 autosensing 10/100 Mb/s RJ-45 ports and 2 dual-personality combo Gigabit SFP ports for flexible uplinks supporting fiber SX/LX transceivers. With a switching capacity of 13.6 Gbps and throughput up to 6.6 million pps, it handles moderate traffic efficiently. The 1U rack-mountable form factor suits standard data closets. Management is via an intuitive web-based interface, limited CLI, and SNMP, enabling VLANs, ACLs, STP/RSTP for security and reliability. Compatible with IEEE 802.3 standards, it supports Auto-MDIX and full/half duplex. Ideal for branch offices, retail, or secure access networks requiring cost-effective Layer 2 functionality without complexity.

24x 10/100 RJ-45 + 2x Gigabit SFP combo ports
13.6 Gbps switching capacity, 6.6 Mpps throughput
1U rack-mountable, web-based management interface
Layer 2 Fast Ethernet with ACLs, STP/RSTP support
<5 µs latency for 100/1000 Mb speeds
Auto-MDIX, half/full duplex operation

Expedited and overnight shipping options are available at checkout, priced by destination and service.
Purchase orders accepted from qualified institutions.
Refunds within 14 days and replacements within 30 days of delivery with an RMA (25% restocking fee on customer-initiated returns), and every part carries our Standard 30-Day Warranty - see our return policy or contact US IT Hardware.

Featuring

Manufacturer part #	JD990-61101
Brand	HP
Condition	Refurbished
Model	1905-24
Product Line	1905 Series
Product Type	Managed Network Switch
Management Interface	Intuitive Web-based management interface
Maximum Power Rating	Not specified in JD990A section

Storage

Flash Memory
SDRAM	8 MB

Compatible systems

No specific compatibility information found in sources

Best for

SMB Offices
Provides 24 Fast Ethernet ports and 13.6 Gbps switching for connecting workstations and devices in small business environments with web-based management for easy VLAN setup.
Retail Locations
Supports secure access with ACLs and STP/RSTP on 24x 10/100 ports plus Gigabit uplinks, ideal for POS systems and IP cameras in stores.
Branch Offices
1U rack-mountable design with combo SFP ports enables reliable fiber uplinks to headquarters, handling 6.6 Mpps throughput for distributed networks.
Secure Networks
Layer 2 features like access control lists enhance security for moderate traffic in controlled environments using the intuitive management interface.

Frequently asked questions

What ports does the HP 1905-24 switch have?

Details

Shipping, warranty & returns

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Packet Buffer Size	384 KB

Processor	ARM 88E6218 @ 150 MHz

Throughput	6.6 million pps
100 Mb Latency	< 5 µs
1000 Mb Latency	< 5 µs
Network Interfaces	Fast Ethernet Layer 2; Gigabit SFP uplink
Switching Capacity	13.6 Gbps

Voltage	100-240 VAC
Frequency	50/60 Hz

Physical Characteristics

Height	1.7 in (4.32 cm)
Weight	6.4 lb (2.9 kg)
Mounting	Mounts in an EIA-standard 19 in. telco rack or equipment cabinet (hardware included)
Dimensions	17.4(w) x 9.4(d) x 1.7(h) in (44.2 x 23.88 x 4.32 cm)
Rack Units	1U
Form Factor	1U Rack-mountable

Acoustic	Fanless
Operating Temperature	32°F to 113°F (0°C to 45°C)
Operating Relative Humidity	10% to 95%, noncondensing
Nonoperating/Storage Relative Humidity	10% to 95%, noncondensing

Console Port	1 RJ-45 serial console port
Ethernet Ports	24x 10/100 Mb/s RJ-45 ports; 2x Combo Gigabit SFP ports
Interface Type	RJ-45; SFP combo

HP 1905-24 24x 10/100 Mb/s RJ-45 ports; 2x Combo Gigabit SFP ports Switch

Product overview

Featuring

Storage

Compatible systems

Best for

Frequently asked questions

Details

Shipping, warranty & returns

Customer reviews

Processor

Network & Communication

Power Consumption

Physical Characteristics

Environmental

Interface/Ports