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Description
HP ProCurve 2824, 24-port GigaBit Switch P/N: J4903ATechnical features External I O ports 20 auto sensing 10 100 1000 ports (IEEE 802. 3 Type 10Base T, IEEE 802. 3u Type 100Base TX, IEEE 802. 3ab Type 1000Base T); Media Type: Auto MDIX; Duplex: 10Base T 100Base TX: half or full; 1000Base T: full only 1 RS 232C DB 9 console port 4 dual personality ports; each port can be used as either an RJ 45 10 100 1000 port or an open mini GBIC slot (for use with mini GBIC transceivers Rack mounting Mounts in an EIA
| Technical features | |
|---|---|
| External I/O ports |
20 auto-sensing 10/100/1000 ports (IEEE 802.3 Type 10Base-T, IEEE |
| Rack mounting | Mounts in an EIA-standard 19 in. telco rack or equipment cabinet (hardware included); horizontal surface mounting only. |
| Memory and Processor | Processor type and speed: Motorola Power PC MPC8245, 266 MHz; Flash capacity: 8 MB; SDRAM: 64 MB |
| Latency | <5.4 µs (FIFO 64-byte packets) |
| Address Table size | 16,000 entries |
| routing/switching capacity | 48 Gbps |
| throughput | Up to 34.65 million pps (64-byte packets) |
| Management Features | ProCurve Manager (included); ProCurve Manager Plus; command line interface; Web browser; configuration menu; out-of-band management (serial RS-232C) |
| Communications | RFC 783 TFTP; RFC 951 BootP; RFC 1542 BootP; RFC 854 Telnet; RFC 768 UDP; RFC 792 ICMP; RFC 793 TCP; RFC 826 ARP; RFC 2030 Simple Network Time Protocol; IEEE 802.3x Flow Control; DHCP Relay; RFC 3046 DHCP Relay Agent Information Option 82; RFC 3376 IGMPv1/v2/v3; IEEE 802.1D Spanning Tree; IEEE 802.1w Rapid Convergence Spanning Tree; IEEE 802.3ad Link Aggregation Control Protocol; IEEE 802.1AB Link Layer Discovery Protocol; RFC 1492 TACACS+; RFC 2138 RADIUS; RFC 2866 RADIUS accounting; SSHv2 Secure Shell; Secure Sockets Layer (SSL); IEEE 802.1X Network Login; IEEE 802.1Q VLANs; IEEE 802.1Q VLAN tagging; IEEE 802.1Q GVRP; IEEE 802.1p Priority; SNMPv1/v2c/v3; HTML and telnet management; RFC 1493 Bridge MIB; RFC 1213 MIB II; RFC 2096 IP Forwarding Table MIB; RFC 2737 Entity MIB; RFC 2863 Evolution of Interface; RFC 2665 Ethernet MIB; RFC 2819 Four groups of RMON: 1 (statistics), 2 (history), 3 (alarm) and 9 (events); XRMON; sFlow; RFC 2021 RMON probe configuration (RMON v2); RFC 2668 802.3 MAU MIB; RFC 2613 SMON; RFC 2674 802.1p and IEEE 802.1Q Bridge MIB; RFC 2618 RADIUS Client MIB; RFC 2620 RADIUS Accounting MIB |
| Power Requirements | 100–127 VAC/200–240 VAC; 50/60 Hz |
| Power availability | 0.6 A/0.3 A |
| Power consumption | 100 W |
| Operating conditions | |
|---|---|
| Electromagnetic emissions | FCC Class A; EN 55022/CISPR 22 Class A; VCCI Class A |
| Operating Temperature Range | 0° to 55°C |
| Operating Humidity Range | 15 to 95% RH |
| Dimensions / weight / warranty | |
|---|---|
| Dimensions (w x d x h) | 36.58 x 43.99 x 4.45 cm |
| Weight | 4.59 kg |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.2 ★★★★★
Based on 1410 reviews
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Product Reviews
★★★★★ 5
Came in skeptical, but it's GREAT!
I read all the bad reviews I could on this thing and considered it an acceptable risk considering the price.
Assembly was easy and the instructions were fair. Not amazing, but once you handle the edger, the gist is clear.
I was skeptical overall that the horsepower and plastic guard weren't going to be enough. I ran it for nearly 45min stopping every 5 or so to check the blade and guard. It stayed tight and I was able to manually turn the blade to make sure it was working right. My front yard and sidewalk have been neglected for a few years. I would sometimes edge it out with the weed Wacker, but couldn't get it as clean as I wanted without breaking a LOT of line.
When I was done, I noticed the guard had a lot of soil and grass buildup that I was able to take out easily with my fingers. There were a few times I scraped the sidewalk edge, but the blade is still solid and ready for more!
I was surprised at the quality and as you're going over an area, it feels solid and not squirly or out of control. My uses are going to be mostly suburban maintenance on my own yard. If I had more land or something bigger, I would consider something larger. For my yard and purposes, this edger is going to work just fine!
Did not notice any issues with the blade getting loose, but stayed aware of it. There is a lock nut that keeps it in place. I imagine over time and switching blades, this is going to lose its locking function, but I already see amazon has replacement blades that come with new lock nuts!
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Reviewed in the United States on May 5, 2025
★★★★★ 5
Works great, easy assembly and no issues!
Using the weedeater for edging was too hard, so I purchased this. It works great! It was easy to assemble and easy to use. My lines are perfect, but the size, durability, and power of this gem get the job done, and it's lightweight enough that I can easily maneuver it around the yard. I chose a corded one so I don't have to deal with battery life or charging.
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Reviewed in the United States on September 26, 2025
★★★★★ 5
Excellent Kindle for reading every day
I’m very happy with this Kindle Paperwhite. The screen is easy on the eyes, even for long reading sessions, and the front light makes it comfortable to read day or night. It’s lightweight, the battery lasts a long time, and it’s super convenient to carry around with a whole library. Great purchase overall.
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Reviewed in the United States on December 23, 2025
★★★★★ 5
A great device with some minor issues
In a nutshell, kindle was created to give a comfortable reading experience, and it does a great job on that front. I feel like other aspects of the device were compromised.
Good:
- The screen is very clear. It feels like I'm reading from a real book - but with clearer text then I've seen in any real book.
- There are no distractions. This is a very big advantage over reading from the free app on my phone, where I constantly find myself pausing from the book to check up on one thing or another.
- The screen is wider and shorter than a standard phone. I find this to be much more comfortable to read from.
Bad:
- The device is sluggish.
- The scrolling isn't continuous like on a smart-phone.
- At 6'', the screen is smaller than most modern phones (but it doesn't feel small when you read from it).
- There's no option to change the page color.
- There's a limited selection of inbuilt fonts (but it's quite easy to add new ones).
- The charger is the old micro-USB, and not the more modern USB-C. This means that I can't charge it from my phone's charger.
- The screen is not colorful. I think this makes the book covers look bad.
- Kindle is surprisingly stingy with memory. Considering how cheap flash drives are, I'd expect that kindle would either provide us with more memory, or at least make it cheaper to upgrade (it's currently about 100$ to upgrade to 32GB, when a 64GB flash drive is 10$).
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Reviewed in the United States on November 9, 2021
★★★★★ 5
Perfect device for reading
Bought it on prime day 7th Aug 2021. Used it for two months and it functions very well.
Pros:
1. Clearly seen under the sunshine - I usually bring it out to the balcony in my office for reading. At first, I didn’t really see the difference from the iPad. One afternoon, I found it surprisingly performed very well even under sunshine. I can see every single word clearly under a sunny day.
2. Slow reaction but enough for me - It's the 2018 version so of course, it is slow in reaction compared with smart devices nowadays. But it doesn’t matter because I don’t read fast either.
3. Support my own documents - It also allows me to transfer my own documents to the device which is very convenient to me.
4. Built-in light - I can read at night! Without hurting my eyes.
5. Lightweight, thin - Super lightweight, I can hold it with a single hand without pain or put it into my small handbag, bring it to my office, read novels on the train/bus…
6. Long battery life - I usually turn it to airplane mode while reading which saves a lot of batteries.
Can’t think of any cons so far. A 100 score device considering it’s a 2018 product!
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Reviewed in the United States on October 4, 2021