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Description
MikroTik CRS504-4XQ-IN 4-Port 100G QSFP28 Cloud Router SwitchUnlock 100 Gigabit Networking with Unmatched Efficiency Enter the world of 100 Gigabit networking with the MikroTik CRS504 4XQ IN, an exceptionally affordable, compact, and energy efficient switch. Designed for data centers, ISPs, and modern enterprise networks, this switch is the perfect upgrade for existing 10 or 25 Gigabit infrastructures. Its compact size and low power consumption (as low as 25W without attachments) make it a versatile solution
Unlock 100 Gigabit Networking with Unmatched Efficiency
Enter the world of 100 Gigabit networking with the MikroTik CRS504-4XQ-IN, an exceptionally affordable, compact, and energy-efficient switch. Designed for data centers, ISPs, and modern enterprise networks, this switch is the perfect upgrade for existing 10 or 25 Gigabit infrastructures. Its compact size and low power consumption (as low as 25W without attachments) make it a versatile solution for expanding high-speed networking into any setup, not just large data centers.
Versatile High-Speed Connectivity
The CRS504-4XQ-IN is equipped with four 100G QSFP28 ports, providing a powerful foundation for your network backbone. These ports offer incredible flexibility; use them for native 100G connections or utilize breakout cables to connect to multiple 25G devices. Each QSFP28 port can connect to four 25 Gigabit lines, enabling you to connect up to 16 individual 25G devices. You can mix and match connections across the ports, supporting 100G, 40G, 25G, 10G, and even 1G, all handled seamlessly by the powerful Marvell DX4310 switch-chip.
Redundant Power and Reliable Performance
Engineered for reliability, the CRS504-4XQ-IN features dual hot-swappable power supplies, ensuring uninterrupted operation. It offers multiple powering options for ultimate flexibility, including two universal AC inputs, a DC jack, a 2-pin terminal, and 802.3bt Power over Ethernet (PoE) on the dedicated management port. This array of power choices makes it adaptable to any deployment scenario. The switch is powered by a QCA9531 CPU and runs on the feature-rich RouterOS v7, providing extensive control and stability.
Comprehensive Specifications Table
| Product Details | |
| Product Code | CRS504-4XQ-IN |
| Architecture | MIPSBE |
| CPU | QCA9531 |
| CPU Core Count | 1 |
| CPU Nominal Frequency | 650 MHz |
| Switch Chip Model | 98DX4310 |
| Operating System | RouterOS v7 |
| RouterOS License | 5 |
| Size of RAM | 64 MB |
| Storage Size | 16 MB |
| Storage Type | FLASH |
| Networking | |
| 10/100 Ethernet Ports | 1 (for management) |
| 100G QSFP28 Ports | 4 |
| Powering | |
| Number of AC Inputs | 2 (Hot-Swap) |
| AC Input Range | 100-240 V |
| Number of DC Inputs | 3 (DC jack, 2-pin terminal, PoE-IN) |
| DC Jack / 2-pin Terminal Input Voltage | 36-57 V |
| PoE In | 802.3bt |
| PoE In Input Voltage | 43-57 V |
| Max Power Consumption | 41 W |
| Max Power Consumption (without attachments) | 25 W |
| Physical | |
| Dimensions | 320 x 185 x 44 mm |
| Cooling Type | 2 fans |
| Tested Ambient Temperature | -40°C to 70°C |
| Other | |
| Serial Console Port | RJ45 |
| Certifications | CE, EAC, ROHS |
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4.8 ★★★★★
Based on 1069 reviews
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Product Reviews
★★★★★ 5
Great great great but …..
Format: Kindle
Before I get into the meat and potatoes of this review this is a five star book. I have to say that starting out it is a five star book now rarely is a book absolutely perfect don’t get me wrong there are some classics in this genre or others that are just perfect now since this is the first book in the series it’s not perfect there are some points where concepts could’ve been made clear there are some points where things run a little long arcs in the story run a little long but overall it’s a 10. Imagine you going to a five star immaculate restaurant you sit down to eat and the waiter brings you your food they make one mistake they spill a drop of wine on the tablecloth is that a big deal no does it diminish the experience no but you notice it. Same thing here.
No onto some specifics 10 realms has a great progression system two dynamic MC’s and a sort of bro shooter story. That’s what you get here and you get lots of that here. When you finish the book you’re going to want to move onto the next so you know it’s a great book now there are times when the story slows down it goes a little too slow in the middle of the book again you could flip through and to be past it but ultimately you can read through it and you will be better for it. Is it that bad no not really but you do notice it. Once the story really picks back up your back into it and like I said you’re going to want to continue it. Since it is the first book in the series I can understand this problem I’d like many others look forward to seeing what is next.
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Reviewed in the United States on April 27, 2022
★★★★★ 5
Interesting twist on an Isekai
Format: Kindle
I really enjoyed this novel. Not only are the two main characters well developed, but so are the side characters. The slice-of-life setup is done well, with with you (the reader) being pulled along into the story. Right from the beginning, the author is successful in getting you to be fully invested in their struggles.
While the book could stand to have another editorial pass, it does not detract greatly from the story.
I also really enjoyed the Beast Mountain Trials. Far from your standard dungeon run, the - contestants? participants? contender? - whatever you want to call the people who participate in the Trials alongside Erik and Rugrat, who sort of fall into the Trials while trying to just live their lives and figure out how the Ten Realms things works, all participate in the different levels to see how far they can go. While the sect elders seem to understand that passing all the levels grants that person control of the dungeon, it also seems like everybody else who participates (or has participated) stops short of the last trial. Well, either that or, while they may successfully withstand the waves of beasts - the letter of the quest - they fail in the spirit of the quest, and thus fail to "beat" the dungeon. Given the way the villagers respond to Erik and Rugrat almost every time they do something to improve the villagers - often at their own expense or sacrifice - it is clear that the Ten Realms is very much a Darwin-esque universe. The strong rise to the top; the weak fall to the bottom. Yet, the many citizens of the universe, at least in the First Realm, have clearly failed to realize that they are stronger together. Which is perhaps why no one else has successfully completed the Beast Mountain Trials.
Finally, while I knew that Erik and Rugrat were going to enact their revenge upon the Moon Healing House, I did not expect ... that. Not to say that it wasn't warranted, not out of character. Nor was is really unexpected. Not really. I was just a little surprised at the sheer coldness of it.
I am definitely looking forward to reading the next book, as Erik and Rugrat ascend to Second Realm to continue their work toward healing the dungeon.
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Reviewed in the United States on December 27, 2021
★★★★★ 5
Another great start to an interesting series :)
Format: Kindle
A great start to a new series, a very good hybrid between a light LitRPG and Wuxia combination which somehow is greater than the sum of its parts. For LitRPG aficionados, the leveling system is pretty basic, but solid, the crafting part bringing it a lot more flesh and sparkle. For those who like Wuxia, they will instantly recognize many of the concepts and may enjoy (as I know I did) the emergent clash between the `strength first` philosophy so prevalent in Wuxia novels and the `strength with a helping hand` model of many Western writings. The second part of the novel contains some town-building, tower-defense elements which I found well-thought out and interesting, and I am truly looking forward to the way they will develop `in the next realms`. The protagonists are interesting, you can really empathize with them, especially at first, and the character building is slow but steady. I was surprised by the specializations they chose, and I absolutely loved the healer/healing part of the world-building, for me it was fascinating. I think I read the book in one day, even it is by no means short, and I found it very enjoyable.I am looking forward to all its sequels!
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Reviewed in the United States on July 24, 2018
★★★★★ 4
It's worth the ride
Format: Kindle
I personally want to give this series a 5/5 I've read all nine books one after the other and enjoyed the entire ride through. I'm a very big fan of LitRPG's and cultivation genres and I think this series does a great job at really taking you through both of those experiences and giving fully fleshed out reasons as to why things work the way they do.
The reason I am giving this series a 4/5 is because of somethings I think you need to be aware of and ready for. In which if you are it will be a good story for you. One there are editing errors these decrease as the series go on but sometimes can break you out of the emersion as you have a "Wait, what?" moment. As a said it is a minor thing hat happens less and less and can be overlooked.
There are a lot of characters, and I have seen several reviews addressing how that upset them with many POV's. I understand that isn't for everyone. Personally I think it makes the world the writer puts us in feel alive and expands things to more than just Erick and Rugrat. Which is what you would expect from a series that has literally 10 different planets. These POV's are also used to show the effects Eric and Rugrat have on the people and places they interact with. Gotta have a little bit of an attention span to read about a world like that.
That's it those are the two things that I personally felt could knock this story down to a 4/5 The realms is funny, action pack, things have a long lasting ripple effect that matter as you progress and the characters with all their power still always feel grounded in a way that makes you cheer for their wins and mourn their loses.
I saw a lot of negativity about this series as a whole and I will stand by my title this series is worth the ride. "Oorah"
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Reviewed in the United States on October 27, 2021
★★★★★ 5
Review of the Two Week Curse
Format: Kindle
Enjoyed the story, not usually into too much magic, but totally understand the role it plays in these stories. Highly entertaining story and like the morals of the two main characters. Good read and would gladly recommend to anyone.
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Reviewed in the United States on July 31, 2025