Product comparison · 2 print servers

HP Jetdirect 640n Print Server vs HP Jetdirect ew2500 802.11b/g Wireless Print Server

28specifications compared
21differ
7identical
16known for one product only

Key differences

The HP Jetdirect 640n Print Server has 24 MB more flash memory than the HP Jetdirect ew2500 802.11b/g Wireless Print Server (32 MB vs 8 MB). The HP Jetdirect 640n Print Server has 480 MB more internal memory than the HP Jetdirect ew2500 802.11b/g Wireless Print Server (512 MB vs 32 MB). The HP Jetdirect ew2500 802.11b/g Wireless Print Server has 1 more USB 2.0 ports quantity than the HP Jetdirect 640n Print Server (1 vs 0). Only the HP Jetdirect 640n Print Server has internal. Network connection type: Ethernet LAN on the HP Jetdirect 640n Print Server, Ethernet LAN/Wireless LAN on the HP Jetdirect ew2500 802.11b/g Wireless Print Server.

Internal
- Jetdirect 640n Print Server:Yes
- Jetdirect ew2500 802.11b/g Wireless Print Server:No
Flash memory
- Jetdirect 640n Print Server:32 MB
- Jetdirect ew2500 802.11b/g Wireless Print Server:8 MB
Internal memory
- Jetdirect 640n Print Server:512 MB
- Jetdirect ew2500 802.11b/g Wireless Print Server:32 MB
Network connection type
- Jetdirect 640n Print Server:Ethernet LAN
- Jetdirect ew2500 802.11b/g Wireless Print Server:Ethernet LAN/Wireless LAN
Ethernet LAN data rates
- Jetdirect 640n Print Server:10,100,1000 Mbit/s
- Jetdirect ew2500 802.11b/g Wireless Print Server:10,100 Mbit/s
USB 2.0 ports quantity
- Jetdirect 640n Print Server:0
- Jetdirect ew2500 802.11b/g Wireless Print Server:1
Power consumption (typical)
- Jetdirect 640n Print Server:4 W
- Jetdirect ew2500 802.11b/g Wireless Print Server:6.5 W
Depth
- Jetdirect 640n Print Server:137 mm
- Jetdirect ew2500 802.11b/g Wireless Print Server:129.5 mm

Side by side

Differences highlightedShow differences only

Comparison of 640n, J8021A
44 specifications	A HP Jetdirect 640n Print Server Model 640n View product	B HP Jetdirect ew2500 802.11b/g Wireless Print Server Model J8021A View product
Features1 differ
InternalDiffers	Yes	No
Product colour	Black	Black
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
Firmware upgradeable	Yes	Yes
IPP support	Yes	Yes
HP segment	Business, Enterprise	Business, Enterprise
Memory2 differ
Flash memoryDiffers	32 MB	8 MB
Internal memoryDiffers	512 MB	32 MB
Network4 differ
Network connection typeDiffers	Ethernet LAN	Ethernet LAN/Wireless LAN
Networking standardsDiffers	IEEE 802.3, IEEE 802.3ab, IEEE 802.3u	IEEE 802.11b, IEEE 802.11g, IEEE 802.1x, IEEE 802.3
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Wi-Fi bandKnown for one	Unknown — not stated by the source	Single-band (2.4 GHz)
Wi-Fi data ratesKnown for one	Unknown — not stated by the source	54 Mbit/s
Security algorithmsDiffers	HTTPS, SSL/TLS	128-bit WEP, 40-bit WEP, 64-bit WEP, EAP, EAP-TLS, LEAP, PEAP, TKIP, WPA, WPA2
Copper ethernet cabling technologyKnown for one	1000BASE-T, 100BASE-T, 10BASE-T	Unknown — not stated by the source
Protocols2 differ
Supported network protocolsDiffers	IPv4/IPv6, HTTP, HTTPS, FTP, TFTP, Port 9100, LPD, IPP, Secure-IPP, WS Discovery, IPsec/Firewall, DHCPv6, MLDv1, ICMPv6, Auto-IP, SLP, Telnet, IGMPv2, BOOTP/DHCP, WINS, IP Direct Mode, WS Print, IPX/SPX, AppleTalk, NetWare NDS, Bindery, NDPS, iPrint	IPv4/IPv6: Apple Bonjour, SNMPv1/v2c/v3, HTTP, HTTPS, FTP, TFTP, Port 9100, LPD, IPP, Secure-IPP, WS, IPsec; DHCPv6, MLDv1, ICMPv6, Auto-IP, SLP, Telnet, IGMPv2, BOOTP/DHCP, WINS
Management protocolsDiffers	SNMP v1/v2c/v3	SNMPv3, SSL/TLS (HTTPS), Telnet
Ports & interfaces1 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantityDiffers	0	1
Parallel ports quantity	0	0
Serial ports quantity	0	0
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Power1 differ
AC input voltageKnown for one	Unknown — not stated by the source	100-127 V
AC input frequencyKnown for one	Unknown — not stated by the source	60 Hz
Power consumption (typical)Differs	4 W	6.5 W
Software2 differ
Windows operating systems supportedDiffers	Yes	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Wi
Mac operating systems supportedDiffers	Yes	Mac OS X 10.2 Jaguar, Mac OS X 10.3 Panther, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
DepthDiffers	137 mm	129.5 mm
HeightDiffers	31 mm	33 mm
WidthDiffers	89 mm	99.1 mm
WeightDiffers	77 g	140 g
Packaging dataidentical
Package dimensions (WxDxH)Known for one	Unknown — not stated by the source	249 x 130 x 75 mm
Package weightKnown for one	Unknown — not stated by the source	1.01 kg
Packaging contentidentical
External power adapterKnown for one	Unknown — not stated by the source	Yes
Operational conditions4 differ
Operating temperature (T-T)Differs	0 - 55 °C	0 - 40 °C
Operating relative humidity (H-H)Differs	0 - 95%	15 - 95%
Storage relative humidity (H-H)Differs	15 - 85%	15 - 95%
Storage temperature (T-T)Differs	-40 - 65 °C	-40 - 70 °C
Other featuresidentical
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Network readyKnown for one	Unknown — not stated by the source	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Fast Ethernet
Supports EPP and ECPKnown for one	No	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	FCC	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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