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Reference: ST3450857SS
Brand: Seagate
ST3450857SS _ RFB
Seagate Cheetah 450GB 3.5, 450 GB, 15000 RPM, 16 MB, 3.5", SAS
CHF241.6
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CHF223.5
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In stock
CHF520.8
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CHF481.8
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In stock
Description
The HP 1820 Switch Series offers more choice and flexibility for smaller organizations that require ease of use and lower Total Cost of Ownership (TCO), while delivering better network performance. They are smart-managed, fixed configuration, Gigabit Ethernet Layer 2 switches in an easy-to-administer solution that have the latest energy-saving capabilities.
These switches are plug-and-play out of the box, where network operation can be fine-tuned through features available from a simple Web browser-based GUI, when needed.
Features
Easy-to-Use, Simple to Deploy and Manage
- The HP 1820 Switch Series features an intuitive Web management interface with an enhanced navigation pane for easy management of devices by non-technical users. The HP 1820 Switch Series is ideal for organizations that require simplicity.
- The series gives you flexibility and choice with a complete portfolio. You get six rack-mountable models including three non-Power over Ethernet (PoE) models. Some models include SFP ports for fiber connectivity.
- Customizable features include VLANs, Spanning Tree, Link aggregation trunking, and IGMP Snooping. All models include Rapid Spanning Tree Protocol (RSTP) and DSCP QoS policies.
- These switches support flexible installation options, including mounting on walls, under tables or on desk tops.
- Some models are of a fan-less design, making them quiet for office deployments.
Energy Efficiency and Lower TCO
- The HP 1820 Switch Series include the latest energy-savings capabilities, including Energy Efficient Ethernet (IEEE), idle-port power down and PoE Port Scheduler.
- The 8-port Gigabit Ethernet model can be powered by an upstream PoE switch for environments where no line power is available.
- All switches are covered by a Limited Lifetime Warranty 2.0 with limited 24x7 telephone support for the first three years.
Quality of Service (QoS)
- The HP 1820 Switch Series traffic prioritization provides time sensitive packets (like VoIP and video) with priority over other traffic based on DSCP or IEEE 802.1p classification. Packets are mapped to eight hardware queues for more effective throughput.
- Broadcast control allows limiting of broadcast traffic rate, to reduce unwanted network broadcast traffic.
- IEEE 802.11p/Q delivers data to devices based on the priority and type of traffic.
These switches are plug-and-play out of the box, where network operation can be fine-tuned through features available from a simple Web browser-based GUI, when needed.
Features
Easy-to-Use, Simple to Deploy and Manage
- The HP 1820 Switch Series features an intuitive Web management interface with an enhanced navigation pane for easy management of devices by non-technical users. The HP 1820 Switch Series is ideal for organizations that require simplicity.
- The series gives you flexibility and choice with a complete portfolio. You get six rack-mountable models including three non-Power over Ethernet (PoE) models. Some models include SFP ports for fiber connectivity.
- Customizable features include VLANs, Spanning Tree, Link aggregation trunking, and IGMP Snooping. All models include Rapid Spanning Tree Protocol (RSTP) and DSCP QoS policies.
- These switches support flexible installation options, including mounting on walls, under tables or on desk tops.
- Some models are of a fan-less design, making them quiet for office deployments.
Energy Efficiency and Lower TCO
- The HP 1820 Switch Series include the latest energy-savings capabilities, including Energy Efficient Ethernet (IEEE), idle-port power down and PoE Port Scheduler.
- The 8-port Gigabit Ethernet model can be powered by an upstream PoE switch for environments where no line power is available.
- All switches are covered by a Limited Lifetime Warranty 2.0 with limited 24x7 telephone support for the first three years.
Quality of Service (QoS)
- The HP 1820 Switch Series traffic prioritization provides time sensitive packets (like VoIP and video) with priority over other traffic based on DSCP or IEEE 802.1p classification. Packets are mapped to eight hardware queues for more effective throughput.
- Broadcast control allows limiting of broadcast traffic rate, to reduce unwanted network broadcast traffic.
- IEEE 802.11p/Q delivers data to devices based on the priority and type of traffic.
Specifications
Data transmission
| Jumbo frames support | Yes |
| Latency (1 Gbps) | 2 µs |
| Latency (10-100 Mbps) | 7 µs |
| MAC address table | 16000 entries |
| Packet buffer memory | 1.5 MB |
| Switching capacity | 104 Gbit/s |
| Throughput | 77.3 Mpps |
Design
| Energy Star certified | Yes |
| Form factor | 1U |
| Product colour | Grey |
| Rack mounting | Yes |
| Stackable | Yes |
Management features
| Quality of Service (QoS) support | Yes |
| Switch layer | L2 |
| Switch type | Managed |
| Web-based management | Yes |
Network
| 10G support | No |
| Auto MDI/MDI-X | Yes |
| Auto-sensing | Yes |
| Copper ethernet cabling technology | 1000BASE-T/100BASE-TX/10BASE-T |
| Flow control support | Yes |
| Full duplex | Yes |
| Link aggregation | Yes |
| Networking standards | IEEE 802.3/IEEE 802.3ab/IEEE 802.3u |
| Port mirroring | Yes |
| Spanning tree protocol | Yes |
| VLAN support | Yes |
Operational conditions
| Operating relative humidity (H-H) | 15 - 95 % |
| Operating temperature (T-T) | 0 - 40 °C |
| Storage relative humidity (H-H) | 15 - 95 % |
| Storage temperature (T-T) | -40 - 70 °C |
Packaging content
| Quick start guide | Yes |
| User guide | Yes |
Performance
| Built-in processor | Yes |
| Flash memory | 16 MB |
| Internal memory | 128 MB |
| Memory type | SDRAM |
| Processor frequency | 400 MHz |
| Processor model | ARM Cortex-A9 |
Ports & interfaces
| Basic switching RJ-45 Ethernet ports quantity | 48 |
| Basic switching RJ-45 Ethernet ports type | Gigabit Ethernet (10/100/1000) |
| SFP module slots quantity | 4 |
Power
| AC input frequency | 50 - 60 Hz |
| AC input voltage | 100 - 240 V |
| Power consumption (typical) | 481 W |
Power over Ethernet (PoE)
| Power over Ethernet (PoE) | Yes |
| Total Power over Ethernet (PoE) budget | 370 W |
Security
| DHCP features | DHCP client |
| IGMP snooping | Yes |
| SSH/SSL support | Yes |
Technical details
| Sustainability certificates | ENERGY STAR |
Vendor information
| Brand Name | Hewlett Packard Enterprise |
| Warranty | 1 |
Product Details
11 Items
Refurbished
Data sheet
- User guide
- Yes
- Auto MDI/MDI-X
- Yes
- Flash memory
- 16 MB
- Stackable
- Yes
- DHCP features
- DHCP client
- MAC-Adresstabelle
- 16000 Eintragungen
- Unterstützung für Jumbo-Frames
- Yes
- Gestellmontage
- Yes
- Ebene wechseln
- L2
- Schaltertyp
- Managed
- Webbasierte Verwaltung
- Yes
- Kupfer-Ethernet-Verkabelungstechnologie
- 1000BASE-T/100BASE-TX/10BASE-T
- Link-Aggregation
- Yes
- Netzwerkstandards
- IEEE 802.3/IEEE 802.3ab/IEEE 802.3u
- Spanning-Tree-Protokoll
- Yes
- Unterstützung der Flusskontrolle
- Yes
- Grundlegende Anzahl von RJ-45-Ethernet-Ports
- 48
- Grundlegender Switching-RJ-45-Ethernet-Porttyp
- Gigabit Ethernet (10/100/1000)
- Gesamtbudget für Power over Ethernet (PoE)
- 370 W
- Stromversorgung über Ethernet (PoE)
- Yes
- IGMP-Schnüffelei
- Yes
- Prozessormodell
- ARM Cortex-A9
- Prozessorfrequenz
- 400 MHz
- Quality of Service (QoS)-Unterstützung
- Yes
- Schnellstartanleitung
- Yes
- Durchsatz
- 77.3 Mpps
- Paketpufferspeicher
- 1.5 MB
- Portspiegelung
- Yes
- SSH/SSL-Unterstützung
- Yes
- Breaking capacity
- 104 Gbit/s
- Formfaktor
- 1U
- AC-Eingangsfrequenz
- 50 - 60 Hz
- AC-Eingangsspannung
- 100 - 240 V
- Stromverbrauch (typisch)
- 481 W
- Nachhaltigkeitszertifikate
- ENERGY STAR
- Speichertyp
- SDRAM
- Vollduplex
- Yes
- Energy Star-zertifiziert
- Yes
- Eingebauter Prozessor
- Yes
- 10G-Unterstützung
- No
- VLAN-Unterstützung
- Yes
- Brand Name
- Hewlett Packard Enterprise
- Warranty
- 1
- Betriebstemperatur (TT)
- 0 - 40 °C
- Lagertemperatur (TT)
- -40 - 70 °C
- Relative Luftfeuchtigkeit bei Lagerung (HH)
- 15 - 95 %
- Relative Luftfeuchtigkeit im Betrieb (HH)
- 15 - 95 %
- Interner Speicher
- 128 MB
- Produktfarbe
- Grey
- Automatische Erkennung
- Yes
- Anzahl der SFP-Modulsteckplätze
- 4
- Latenz (1 Gbit/s)
- 2 µs
- Latenz (10-100 Mbit/s)
- 7 µs
Specific References
- EAN13
- 5704174881872
- MPN
- J9984A-RFB
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